ĐỀ CƯƠNG TRẮC NGHIỆM ôn tập SINH học lớp 9 BẰNG TIẾNG ANH CHƯƠNG NHIỄM sắc THỂ

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ĐỀ CƯƠNG TRẮC NGHIỆM ÔN TẬP SINH HỌC LỚP BẰNG TIẾNG ANH CHƯƠNG NST STUDY ON STUDENTS IN GRADE GRADE IN ENGLISH Question 1: In fruit flies 2n = how many double chromosomes in the first half of fall II? A B 16 C D Question 2: The result of the constituent is from a mother cell with chromosome sets 2n has created several daughter cells? A Two daughter cells, one with 2n chromosomes, are identical to the mother cell and the other one has a chromosome 2n different from that of the mother B daughter cells have 2n chromosomes like the mother cell C The four daughter cells have a chromosome set of 2n D daughter cells, each with daughter chromosome n Question 3: A cell of fruit fly after a fold created? A daughter cells B daughter cells C daughter cells D daughter cells Question 4: During the course of sexual intercourse, the number of sperm forms is 40 What is the number of sperm cells? A 20 cells B 10 cells C cells D 40 cells Question 5: In humans, fertilization between sperm carries sex chromosomes with eggs to form zygotes that develop into girls? A fertilization between sperm 22A + X with egg 22A + X to form zygote 44A + XX B fertilization between sperm 22A + Y with egg 22A + X to form zygote 44A + XY C fertilization between sperm 22A + Y with 22A + Y eggs to form zygosity 44A + YY D fertilization between sperm 22A + X with 22A + Y eggs to form zygosity 44A + XY Question 6: At what stage of chromosome synthesis have the shape and structure characteristic easy to observe? A last spawning B spawning C next spawning D spawning Q7: What is wrong about the meaning of the dominant relationship - diving for the contrast? A Know good traits, bad traits in the breeding process B It is easy to monitor the inheritance of each pair of traits over generations C Focus more genes on a genotype to create high economic value D Check the purity of the variety by analytical hybrids to avoid separation of traits Q8: At what point in the fall of Part II, does the double chromosome rank as a row in the equatorial plane of mitosis? A first spawning B last spawning C middle spawning D next spawning Question 9: In the process of generating gametes, from sperm cells (stem cells) will produce: A sperm B sperm C 12 spermine D 16 spermatozoa Verse 10: What is the meaning of integral? A Mucin is the mode of reproduction of cells B Mucus is the mode of reproduction of the cell and the growth of the body C Primacy maintains specific chromosome stabilization across generations of cells D The principle of cell reproduction and growth of the body, while maintaining stable set of chromosomes characteristic through the generation of cells Question 13: The number of chromosomes in the human vegetative cell is: A 46 pieces B 23 pairs C 44 D 24 pairs Question 14: How does the chromosomal duplication occur at any point in the cell cycle? A between B Late and late C the first D Intermediate Q15: In the fall of manure, how many chromatin in each chromosome separate at the centromere? A Next II B Next I C Between I D Between II Question 16: The number of chromosomes in diploid cells of species (2n) is: A even number B odd number C even number or odd number D can not be determined Q17: What type of cell types does it contain? A Early gonadotrophic (gonococcus) cells, nematodes B nourishing cells C living cells, genital cells D genital cells Question 18: How are daughter cells formed through chromosomes? A There is a haploid chromosome, with each chromosome in dual state B There are diploid chromosomes, each with a double chromosome C There is a haploid chromosome, each chromosome is in a single state D There are diploid chromosomes, each chromosome is in a single state Question 19:: The same chromosome pair: A Chromatite has different origins B two identical chromosomes from the father or from the mother C two identical chromosomes in morphology and size D the same chromite, stick together in the center Question 20: Which cell types have haploid chromosomes? A nourishing cells B cell carcinoma C gamete D zink Question 21: Sex chromosomes are different at what point? A Chromosomes are usually found only in living cells, sex chromosomes are only found in genital (gametes) B NSTs often exist in pairs of homologues, while non-homologous chromosomes in homologous pairs Chromosomes are often composed of several pairs, carrying genes that regulate normal traits Sex chromosomes consist only of one pair, carrying genes that regulate related and non-sex related traits D chromosomes carry genes that regulate normal traits Sex chromosomes carry genes that regulate sex Question 22: In which fraction of the double chromosomes in the homologous pair are crossed and crossed? A first spawn I B Spawn II C between I D between II Question 23: What is the number and form of chromosomes in the middle? A double-stranded B 12 double-stranded C single chromosome D 12NST single Question 24: In which period the chromosomes start to twist? A last spawn B spawn C next spawn D spawn Question 25: In the pair of homologous cells of the vegetative cell include: A two chromosomes derived from father B a chromosome originated from the father and a chromosome derived from the mother C two chromosomes derived from mother D one parenting chromosome and other chromosome Question 26: In which period is the double chromosomes separated at the center? A first spawn B spawn C late spawn D late spawn Q27: What role does cell division play in cell division? A The location of self-replication of DNA B Places of child formation C The location of the duplication of the tent D Where chromosomes cling to and separates the two poles of the cell Question 28: In which period of time does the chromosome contract the maximum? A first spawn B spawn C late spawn D late spawn Question 29: In principle, the chromosomes divide in two poles (where is the resolution of the chromosome)? A beginning B Late C after D between Question 30: In fruit fly 2n = Q What is the number of double chromosomes in the cell in the next period of decline? A B C 16 D Q31: During the compounding process, the content of DNA doubled in what period? A first, middle, last B beginning, middle, later C middle, later, late D first, second, last Box 32: In vinegar 2n = 8, a cell of fruit fly is in the second half of the fall II, how many cells in the chromosome? A NST B NST C NST D 16 NST Question 33: What is the number of chromosomes in rice in water 2n = 24? A 12 B 96 C 24 D 48 Question 34: What fertilization does a male sex chromosome carry with eggs to form a male sperm developing into a male? A fertilization between sperm 22A + X with egg 22A + X to form zygote 44A + XX B fertilization between sperm 22A + X with 22A + Y eggs to form 44A + XY sperm C fertilization between sperm 22A + Y with egg 22A + X to form zygote 44A + XY D fertilization between sperm 22A + Y with 22A + Y eggs to form zygos 44A + YY Question 35: In which period is the chromosome stretched, in the form of thin strands? A beginning B Late C after D between Question 36: What is the substance of genetic phenomena at the molecular level in organisms? A NST B DNA or RNA C DNA D ARN Question 37: According to Black Men, which of the following statements is true? A Each trait in the body is determined by a pair of genetic factors B The inheritance factor is denoted by the capital letter C In the nursing homes, genetic factors exist in each unit D In gametes, genetic factors exist in pairs Question 39: During the integral, the most visible form of the chromosome at the period (in the TB cycle, the typical structure of the chromosomes is described in any of the following): A Intermediate B First letter C Next letter D Middle word Question 40: Which of the following statements about the activity of chromosomes in decreasing stool II is true? A The recurrent chromosomes show the number of double chromosomes in the polyploid set in the first period B The pairs of chromosomes are arranged in two rows on the equatorial plane of the mitosis C The division of cells in the next period D Membrane formed in the following period Question 41: Homo-Neptune contains only: A a B set of two identical chromosomes C one chromosome of each pair of homologies D two chromosomes Question 42: What is the progression of chromosomes in the middle of the reduction of I: A 2n chromosomes are arranged in one row in the equatorial plane of mitosis B 2n chromosomes are arranged in two rows in the equatorial plane of the mitosis C 2n chromosomes are arranged in one row in the equatorial plane of the mitosis D 2n chromosomes are arranged in two rows in the equatorial plane of the mitosis Question 43: The result of declining manure: A Native cell has chromosome 2n B gamete has chromosome n C Sperm have chromosomes n D eggs with chromosomes n Question 44: The evolution of the chromosomes in the second half of the decline II: A The pairs of chromosomes are arranged in a row on the equatorial plane of the mitosis B The pairs of chromosomes divide independently of each other on the two poles of the cell C Each pair of double-stranded chromosomes split at the center of the nucleus into two single-stranded chromosomes of the cell D The single chromosomes in the new nucleus are formed Q45: At what stage of diminished segment I, pairs of double chromosomes in chromosomal pair divide independently of each other on two poles? A first b Middle B last C last D next Q46: Each chromite consists mainly of: A protein B protein and gen C DNA molecule D molecule of DNA and histone protein Question 47: Sex chromosomes are: A special chromosome pairs carry genes B Special chromosome pairs carry genes that regulate males, which carry genes that regulate sex-related and non-sex traits, and traits C Chromosomes carry specific genes that regulate males D special chromosome pair bearing genes regulating males, females Question 48: Which of the following characteristics of chromosomes is consistent with the end of the reduction of I? A The double-stranded neurons in the two new nuclei are made up of a pair of double-stranded chromosomes B The single chromosomes in the new nucleus are made up of the number of homologous sets C The N Chitchies turn the thread back into a piece of yarn D The double-stranded twins return to a thin strand Question 49: In animals that reproduce sexually during the development of gametes through fecal decay, how many oocytes per egg are involved in fertilization? A eggs B eggs C eggs D egg Question 50: The most important event in fertilization is: A The chromosomal set of male and female gametes B zygote formation C Principle: A male gamete with a female gametocyte D Multiplication of two haploid gametes Question 51: Which of the following groups of males carry the sex chromosome XX, while females carry the sex chromosome XY? A Fruit flies, cows, people B Birds, butterflies, frogs, frogs, lizards C Beetles D Grasshoppers, aphids Question 52: In the animal body, which of the following is called the gametes? A Eggs, sperm B Oocytes, sperm C Eggs, endothelium D Oocytes, spermatozoa Question 53: Doubt sets of 2n species in: A zygotes, germ cells B germ cells, zygotes C vegetative cells, stem cells D zygospores, nematodes, and mesenchymal cells Question 54: Genetic traits are altered if the chromosome is altered: A structure B shape C number of D structure and number Question 55: In fruit fly 2n = 8, what is the number of double chromosomes in the middle of the reduction of I? A B C 16 D Question 56: In fruit fly 2n = The number of double chromosomes in the middle of fall II is? A B C D 16 Question 57: Evolution of the chromosome in the middle of reduction II: A n chromosomes are arranged in one row on the equatorial plane of the mitosis B n double chromosomes are arranged in two rows on the equatorial plane of the mitosis C n double chromosomes are arranged in a row on the equatorial plane of the mitosis D n single chromosomes are arranged in two rows on the equatorial plane of the mitosis Question 58: In animals that reproduce sexually by reducing the stools of the male gametocyte generation process, each sperm cell produces spermatozoa A sperm B sperm C sperm D sperm Question 59: In each vegetative cell the number of sex chromosomes is equal to: A four B each C two two D three Question 60: In the hybrid trial of Menden, when hybridizing two different parents to a pair of pure contrast traits, what is the TN result? A F2 homosexuality of father or mother B F1 homosexuality of father or mother C F2 has an average distribution of traits: dives D The characteristic shown in F1 is the recessive trait Q61 In which of the following groups of males carry the sex chromosome XY, and females carry the sex chromosome XX? A Birds, butterflies, frogs, frogs, lizards B Grasshoppers, aphids C beetle D Deer, buffalo, rabbit, man, spiny Question 62: During gametogenesis, four egg cells (stem cells) produce: A eggs and second pole B eggs and second poles C eggs and 12 second pole D eggs and eggs Question 63: Question 95: Chromosomes are structures in: A in B cells in the nucleus of C external to D cell on the cell membrane Question 64: What is the substance of genetic phenomena at the cellular level in organisms? A NST B DNA C RNA D DNA or RNA Box 65: In Cabbage there is a set of chromosomes 2n = 18 Q What is the total number of chromosomes in the cell? A 18 B 36 C 72 D Question 66: Indicates the number of chromosomes (2n) of some mammals: 38 pigs, 40 house mice, 46 males, 48 lambs, 54 sheep, 60 donkeys, 62 horses, 64 horses Which of the following is true? A Each species has a unique and stable set of chromosomes B The number of species is usually even C The closest species usually have an approximate number of chromosomes D The number of chromosomes is a sign of evolution Question 67: During the period of the cell at which period, chromosomes are long strands of complete twisted strands? A beginning, middle B Late C after D Intermediate Question 68: During the spawning period, there are 30 second cohorts observed What is the number of egg cells (stem cells)? A 10 egg-producing cells B 15-egg-producing C 20-egg-producing D 30-egg-producing cells Q69: What is the number of sperm cells (germ cells), if the number of zygotes is 64? A cells B 16 cells C 32 cells D 64 cells Q70: Cells of each species have the chromosomes characteristic of: A quantity, structure B number, shape, structure C number and shape D number Q71: In humans, are there many types of eggs and sperm produced through reduced feces? A egg 22A + X and sperm 22A + X B egg type 22A + X and types of sperm 22A + X and 22A + Y C types of eggs 22A + X and 22A + Y and types of sperm 22A + X and 22A + Y D eggs 22A + X and 22A + Y and sperm and 22A + X Question 72: In humans, when is gender determined? A Before fertilization B Before fertilization, or after fertilization C During fertilization D After fertilization Question 73: : Chemical composition of chromosomes: A.DNA molecule B protein molecules of protein molecules C acid and base D Proteins and DNA molecules Question 74: The mechanism of sex determination in organisms (most mating species) is: A Fragmentation and association of sex chromosome pairs in reduction of fertilization and fertilization B Separation and association of identical chromosomes in reduction of fertilization and fertilization C Self-replication of homologous chromosomes in the reduction of fertilization and fertilization D Sex hormones act on sex chromosomes in the reduction of fertilization and fertilization Question 75: What is the process of maintaining stable sets of chromosomes that characterize reproductive species (matings) through generations? A Attributive, reduced stool, fertilization B Reduction of fertilization, fertilization C Infections, fertilization D.interspersed, reduction of stool Question 76: Chromosomes carry the gene and self replicate because it contains: A protein and DNA B protinin C contains D.DNA gene Question 77: In which time the chromosomes are centered in a row on the equatorial plane of the mitosis A middle note B first letter C second letter D late letter Question 78: What is wrong about the meaning of the integral? A Phenomena help to communicate and maintain stable sets of chromosomes characteristic of species through generations of cells B Mucus is the mode of reproduction of the cell and the growth of the body C It is the mechanism of growth of tissues and organs in the cell D Principle generating gametes with homozygous sets Question 79: In a chicken cell divisions consecutive batches to create the number of daughter cells are: A B 32 C D 16 Question 80: In the hybrid experiment of Menden, when hybridizing two different parents to one pair of pure pure contrast traits, the result was F2 A Shamrocal identity B Homosexuality of father or mother C Dissolve the characteristic at an average of 3: dives D Divide the average trait by 1: dives Q81: What is wrong about the meaning of reducing stool? A generates haploid gametes from diploid cells B Through fertilization, restore the characteristic chromosome of the species C Through fertilization produces rich combinatorial variants D Ensure replacement, cell renewal in the body Question 82: Which of the following phenomena occur during fertilization? A There is a combination of male and female gametes B Random matched gametes create identical chromosomes of origin C There is a combination of the chromosomes of the male and female gametes D The chromosomes in all the daughter cells are held firmly and resemble the chromosomes of the zygote Question 83: What is the difference in the formation of the male gamete compared to the male gamete? A Create gametes of equal size B The gametophyte carries the haploid chromosome n C Create a large gametogen and the second pole D One duplicate chromosome and two divisions Question 84: In what time is the chromosomal decline doubled? A Start of decline of I I B Start of decline II C Intermediate of reduction II D Intermediate content prior to decomposition I Question 85: What is the fundamental meaning of the process? A Reproduction of the chromosomes of the mother cell to two daughter cells B Equal division of maternal cells into two daughter cells C The homogenization of the maternal cell membrane into two daughter cells D The uniform distribution of chelates in the two daughter cells Question 86: Question 102: Characteristics of chromosomes in vegetative cells are: A always exist separately B always shortened C always have pairs of similarities D always stretch Box 87: In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully integrated chromosome Male fruit fly has a gametogenic genotype: A Ab, aB B AB, Ab, aB, aa C AB, ab D aB, ab Question 88: What is the process of maintaining stable sets of chromosomes of cloned reproductive (reproductive) species through the body's cell generation? A Inferior B Reduction of stool C Essence, reduced stool, fertilization D Infertility, fertilization Question 89: In the hybrid trial of Menden, when hybridizing two parents to a pair of pure contrast traits, how did the results in F1? A Shamrocal identity B Homosexuality of father or mother C Dissolve the characteristic at an average of 3: dives D Divide the average trait by 1: dives Verse 90: A zygote of the fruit fly in succession four times Determine the number of daughter cells that were created? A 16 baby cells B baby cells C baby cells D baby cells Question 91: The result of the spawning process from a given ovule: A egg and egg B egg and egg C egg and D egg egg Question 92: Chromosomes in humans have 2n = 46 A human cell is in the latter part of the reduction of II? A 92 single chromosomes B 23 single chromosomes C 92 chromosomes D 46 single chromosomes Question 93: Which of the following statements are true about the separation of genetic factors during spawning? A The genetic elements in the genetic pair mix together and divide into a gamete B Genetic factors in a pair of genetic factors split into a gamete C Each genetic factor in the genetic pair does not remain the same as the purebred D Each genetic factor in the genetic pair divides equally into each gamete Question 94: What is the purpose of analytical hybridization? A Determine the genotype of all traits B Identify the phenotype of the dominant species C Identify the genotype of the dominant species D Identify the genotype, phenotype of the dominant species Q 95: Which of the following statements about the activity of chromosomes in decreasing I is true? A The chromosomes are self-replicating in the intermediate period B Homologous double chromosomes follow along their length in the first period C 2n chromosomes are arranged in one row on the equatorial plane of mitosis D Each daughter has a set of 2n chromosomes Question 96: Trends in chromosomes in the posterior phase of decomposition I: A The pairs of chromosomes divide independently of each other in the two poles of the cell B The pairs of chromosomes are arranged in two rows on the equatorial plane of the mitosis C The pairs of chromosomes divide evenly across the two poles of the cell D Each pair of double-stranded chromosomes split at the center into two single-celled chromosomes of the cell Q 97: Constant process of four consecutive sequences? A First, Intermediate, Intermediate, Final B First, middle, intermediate, final C beginning, middle, later, ending D Intermediate, first, second, last Question (Level 2) In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully AB integrated chromosome Male fruit fly has a gametogenic ab genotype: A AB, Ab, aB, aa B Ab, aB C AB, ab D aB, ab Question (Level 2) In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully AB integrated chromosome Male fruit fly has a gametogenic AB genotype: A AA B BB C AA and BB D AB Question 8: (Level 2) In the fruit fly A genes regulate gray body, gene a regulates black body, gen B regulates long wing, gen b regulates penguins Two pair of genes regulate body color and wing size on a regular and fully ab integrated chromosome The female fruit fly has a gametogenic ab genotype: A AB, Ab, aB, ab B Ab, aB C AB, ab D ab Question 10: (Level 1) What are the characteristics of fruit fly which are beneficial for genetic research? A Easy to grow in vitro, farrowed, short life cycle, easy to observe, few chromosomes B Easy to grow in a natural, single-gene environment C Long time growth and development, easy to create variation so easy to follow D There are many opposite traits, single gene, easy to observe Question (Level 1) Why on each chromosome must contain multiple genes? A The number of genes is usually much larger than the number of chromosomes B The number of chromosomes in the multiple sets is much larger than the number of genes C The number of linked genes in each species is often greater than the number of chromosomes D The number of linked genes of each species is more than the number of chromosomes in the triploid set Question 99: What is the most basic differential reduction? A) Mitigation is the reproductive form of vegetative cells; Fecal decay is a reproductive form of genital cells that occurs during the ripening of this cell B) In decubitus, cells divide twice in succession but the chromosomes multiply themselves once; At each division, the cell divides into one double-fold chromosome C) Reduction of conjugated fecal excretion and cross-coupling between the two chromotites in the homologous double chromosome pair; It is not D) In the later half of the decomposition, the pairs of homologous double chromosomes divide independently of the two poles of the cell; In the latter part of the differential is the separation of the single chromosomes of the two poles of the cell Q100: Which of the following statements is true for the first-order? A) First-order quintessence decreases by for quadratic B) First-order microscope contains chromosome n C) First-order semen is directly involved in fertilization D) quadrats by reducing stool for sperm A: Yes Question 111: Which of the following statements is true for first-order oocytes? A) First-order oocytes pass 2-fold reduction for both polar and oocytes B) Each oocytes pass through the reduction of stools for oocytes and for the second C) The first chromosome of the oocytes is n D) Primary oocytes produce four oocytes Question 113: The idea that the mother decides to give birth to a son or daughter is right or wrong, why? A False Because the birth of a son or daughter is caused by a random combination of gametes B Wrong Because mothers produce only one egg, they create two types of sperm If his father's sperm combines with his newborn eggs to develop into a male, then if his father's sperm combines with the egg to form a zygote develop into a daughter C Wrong Because she created two types of eggs X and Y, he created a sperm If father's sperm combine with egg X to create a male, if father's sperm combine with new egg to create daughter D Wrong The birth of a son or daughter is decided by both parents Question 114: Why can one adjust the male ratio: what is in the animal, what does it mean in practice? A By understanding the mechanism of sex determination and the factors that influence sex differentiation, which are relevant to the purpose of production B Know the number of gametes of each species have the meaning of breeding high yield C By understanding the genetic characteristics of each species, there is the meaning of breeding not pure D Because of the probability of fertilization of male and female gametes, there is a sense of pure breeding Question 115: In chickens, there are 2n = 78 A hen lay 18 eggs, of which 15 eggs were fertilized, but only hatching 13 chicks So how many eggs are fertilized but not hatched? A 39 NST B 78 NST C 156 NST D 117 NST Question 116: In chickens, there are 2n = 78 A hen lay 18 eggs, including 15 fertilized eggs So how many unborn eggs have a set of chromosomes? A 39 NST B 78 NST C 156 NST D 117 NST 117: One mouse gave birth to six mice Know the zygote survival rate is 75% How many zits are made? A zygospores B zygotes C zygotes D 10 zygotes Question 118: When the F1 male flies, the long wing () crosses with the black fly, the penguin ( ) is obtained in the offspring with a phenotypic ratio of: A Gray body, long wing B Whole body black, penguin C gray bodies, long wings: black body, D penguins gray body, long wings: black body, penguins Question 119: What is inheritance? A The phenomenon of a group of traits is inherited together, defined by genes on a single chromosome that divide during cell division B It is the heredity of several trait groups defined by gene per chromosome C The phenomenon of traits is inherited together to produce multiple combinatorial variants D It is a phenomenon of multiple traits that are genetically mutated, regulated by multiple genes on multiple chromosomes, Question 120: The meaning of affiliate genetics is: A Link genetics are used to select good trait groups that are always inherited together B Link inheritance is used in the construction of marriage law C The linkage is used to determine the genotype of the crossbred organisms D Link inheritance is used to create multiple combinatorial variants Verse 121: For pure bean seeds, there are no fringed and spiky grains with cross-pollinated leaves; all seeds are smooth and fringed For F-1 ¬ continue to cross-pollinate F2 has a ratio: grain, no fringe, two smooth seeds with rewinding: grain, fringed What is the result of the hybridization? A Each pair of traits is separated by 3: B Each pair of genetic traits is independent of each other C Two pairs of inherited genetic traits D Recombination of traits of P Question 122: For a pure tomato is high body, oval and low round fruit are crossed with each other, is 100% tall body, round fruit For F- ¬ continue to cross-pollinate each other F2 has a ratio: tall body, oval: tall body, round fruit: lower body, oval What is the result of the hybridization? A Recombinant characteristics of P B Two pairs of linked genetic traits C Each pair of traits is separated by a 3: ratio D Two pairs of genetic traits are independent of each other Question 123: Why is the cross between male flies F-1 ¬ gray body, long wing with black fly penguin in Moocgan's experiment called hybrid analysis? A This is the hybrid between the dominant and the individual with the corresponding diving type B This is a hybrid between dominant and dominant individuals in the genotype C This is a cross between a person with a diving model and a genotype with a dominant personality D This is a hybrid between a diver with another diver in the genotype Question 124: In order to discover the rule of genetic linkage, Moocgan has done: A For males and females, the long-stemmed, gray-winged individuals are interspersed B For gray male flies, long-winged males with black fly, penguin C For the fly, the gray body, the long wing, interspersed with black flies, penguins D For male and female flies, penguins are interspersed with each other Question 125: When the fruit flies male F1, gray body, long wing () hybrid with the fly black, penguin () is obtained in the offspring of the genotype: A 1: B 1: C 1: D 1: Question 126: When hybridizing the body with two pairs of heterozygous, linked genes, what phenotypes have phenotypic and genotype ratios? A 1: 2: B 1: C 1: 1: 1: D 2: 1: Question 127: In tomatoes, the high stem (A) is superior to the lower one (a), the round fruit is dominant (B) in comparison with the oval (b) The genes are completely aligned Which of the following hybridizations gives a 1: ratio for genotypes and phenotypes? A × B × C × D × 128: In tomatoes, the high stem (A) is completely superior to the lower one (a), the round fruit is dominant (B) in comparison with the oval (b) The genes are completely aligned Hybridization × gives genotype ratios: A 1: B 1: 2: C 1: 1: 1: D 3: Question 129: In the experiment of Moocgan, if the two lines of purebred greyhound, long wing, black body, penguin, then for the flies ¬F¬1¬ interfere with each other, assume the link Completely the result of the phenotypic phenotypic phenotypes in the phenotype is: A gray body, long wing: black body, B penguin gray body, long wing: black body penguin C gray body, long wing: black penguin D gray body, long wing: black body, penguin Q130: What factors affect the gender division in the individual life? A The elements of the environment (genitalia) and external (temperature, light) affect the early stages, directly or indirectly, on the development of the individual B The combination of chromosomes in the formation of gametes and zygotes as the body is forming C The care and nurture of parents in early stages of personal development D The nucleus of the gamete when forming the individual ... and D egg egg Question 92 : Chromosomes in humans have 2n = 46 A human cell is in the latter part of the reduction of II? A 92 single chromosomes B 23 single chromosomes C 92 chromosomes D 46 single... Verse 90 : A zygote of the fruit fly in succession four times Determine the number of daughter cells that were created? A 16 baby cells B baby cells C baby cells D baby cells Question 91 : The... linked genes of each species is more than the number of chromosomes in the triploid set Question 99 : What is the most basic differential reduction? A) Mitigation is the reproductive form of vegetative
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