1/16 S GIÁO D (Đề thi có 06 trang) ĐỀ CHÍNH THỨC KÌ THI THỬ THPT QUỐC GIA LẦN 2 NĂM 2015 Môn thi: SINH HỌC Thời gian làm bài: 90 phút không kể thời gian phát đề ĐỀ THI GỒM 50CÂU (TỪ CÂU HỎI SỐ 1 ĐẾN CÂU HỎI SỐ 50) DÀNH CHO TẤT CẢ THÍ SINH Câu 1. (ID:94764)            : A. . B.         . C.           . D.           . Câu 2: (ID:94771)Hai c    2 cp nhim sc th .        ,      .        ,      .            4 : 3 : 1  ? A. AaBB () x AABb (). B. AAbb () x AAbb (). C. AaBb () x aaBb (). D. AaBb () x Aabb (). Câu 3. (ID:94776)    t,               ;                    .     2 c         ,  4000 ,     360  p    .        ,  .   ,                         2 c      : A. 840 B. 1040 C. 2160 D. 3840 Câu 4. (ID:94778)    ,  120    .    = 2 3 G. 1  = 120 nucleotit, 2  = 20%       .     b.   2           7194   .          12472 .        : A.            2400 . B.     1 cp A  T. C.  gen B, 1 1 = 120; T1 = 360; G1 = 240; X1 = 480. D.     1 cp G  X. Câu 5. (ID:94785)    t,       ,        , alen B quy       ,     ,         ,         .     .  BD bd x Aa BD bd ,             40%.             , chua,      : A. 12%. B. 7,5%. C. 22,5%. D. 15%. Câu 6. (ID:94789)a.     ,      ,        ,        ; 2 c     1 c         .    , (F1) lai v, ,  81 - , 79  -   , 21 -   , 19 - . Nh          ? 2/16 A. F1  AB ab 20%. B. F1  AB ab 40%. C. F1  Ab aB 40%. D. F1  Ab aB 20%. Câu 7. (ID:94791)     t,           2 cp nhim sc th  .               10cm.                 100cm.  80cm? A. 3 B. 4 C. 9 D. 2 Câu 8. (ID:94793)             ,             t? (1) . (2) . (3)               . (4)  gen. (5) . A. 4 B. 2 C. 1 D. 3 Câu 9. (ID:94794)    : (1) . . (3)       . (4)     .         : A. (2), (4). B. (1), (3). C. (1), (4). D. (1), (2). Câu 10. (ID:94797)    t,            , F1     100%  cao. Cho F1          2 c 399 ,      99  .        2,        3              : A. 1 3 B. 3 4 . C. 1 4 D. 2 3 Câu 11. (ID:94801)           2         .        b                a.                                       ,                  : Chn câu tr l A. 1 12 . B. 1 6 . C. 1 36 D. 1 2 Câu 12. (ID:94804) AB ab X D X d    AB ab X D Y. Cho F1                     4,375%.   t , tri l    .       : A. 30%. B. 20%. C. 40% D. 35%. Câu 13. (ID:94806)Cho m        : 3/16 (1)             . (2)                       . (3) . (4)                                   c. (5)           c.         : A. 5 B. 4 C. 3 D. 2 Câu 14. (ID:94808)           . Kh     p nhim sc th                          .  . ,         : A. 6 B. 10 C. 4 D. 8 Câu 15. (ID:94816),                      2 alen, alen A                    ; B      -   n b                        , alen tr       .      sau: Qui ước Nam tóc quăn và không bị mù màu I II III ? 1 2 3 4 5 6 9 10 11 7 8 12 Nữ tóc quăn và không bị mù màu Nam tóc thẳng và bị bệnh mù màu                 . C   10  III 11 trong  ,     : A. 4 9 B. 1 6 C. 1 8 D. 1 3 Câu 16. (ID:94821)      nhim sc th 2n = 40.  1%          m sc th 1        m sc th s3,               . m sc th  m sc th  .    ,                      : A. 0,25%. B. 0,75%. C. 0,4375%. D. 0,375%. Câu 17. (ID:94822) m sc th                ng hung,                   . Trong m               10%  40%  ,            .    t Hacdi  Vanbec,            ? A. 32%. B. 16%. C. 2%. D. 8%. Câu 18. (ID:94825)    ,              n a quy      .                              1.      1       t,  1 : Chn câu tr l A. 1 4 B. 3 8 C. 1 2 D. 3 4 4/16 Câu 19. (ID:94827), b      m sc th       h,  . Mt c             ,  3 . Nh                            ?           inh. A.                         . B.                           . C.       c 2                           . D.       2                 3 . Câu 20. (ID:94829)             t,    ? A.                      . B.           ,            . C.  ,             . D.    Câu 21. (ID:94830)        ,                 : A.               . B.         a. C.          . D.     . Câu 22. (ID:94831)              , nh          ? A.                 . B.     , 3'5'   . C.     , 5'3' . D.                           . Câu 23. (ID:94833)             ,  n hai thao t li               .                  : A. 2 B. 4 C. 3 D. 1 Câu 24. (ID:94836)    t,     ,     ;    ,         ;       ,   .    gen tr      .      , ,  , ,      1 25%  ,  , ; 25%  ,  , ; 25%  , , ; 25% , , .                , ? A. AaBbDd x aabbdd. B. Aa Bd bD x aa bd bd C. Aa BD bd x aa bd bd D. Bb AD ad x bb ad ad Câu 25. (ID:94839)Cho 3        AB DB ab de   hi     ,        ,   a.                 : A. 2 16. B. 4 16. C. 4 12. D. 2 12. Câu 26. (ID:94840)M                        : U : G : X = 4 : 3 : 2 : 1.         3 ,    : Chn câu tr l A. 9,6%. B. 2,4%. C. 7,2%. D. 14,4%. Câu 27. (ID:94841)    t, : (1) AaBbDd × AaBbDd. (2) AaBBDd × AaBBDd. 5/16 (3) AABBDd × AAbbDd. (4) AaBBDd × AaBbDd.     : Chn câu tr l A. (2) (3). B. (1) (3). C. (2) (4). D. (1) (4). Câu 28. (ID:94842)2 , u sau: 1: A = 15%; G = 35%; X = 35%; T = 15% 2: A = 15%; G = 40%; X = 30%; U = 15% Vt li  2       ? A. 1 ; 2 . B. 1 ; 2 . C. 1 2 . D. 1 ; 2 . Câu 29. (ID:94843)Mt nhim sc th ,  .   t     m sc th         : A.   m sc th ho    m sc th. B.   m sc th ho  m sc th. C.     m sc th ho    m sc th. D.         m sc th ho  . Câu 30. (ID:94844)     t,          i      .                  3     .           : A. A = 0,5 = 0,5. B. A = 0,25 = 0,75. C. A = 0,75 = 0,25. D. A = 0,7 = 0,3. Câu 31. (ID:94845)    t, 2 c  c lp.         2 cp gen       , F1       240 y. ,          2 cp gen 1 : A. 60 B. 76 C. 50 D. 30 Câu 32. (ID:94846),  ng v  (p,  ) th        .     ,  ,          .          : A. Hi sinh. B.     c. C. Cng sinh. D. . Câu 33. (ID:94847)     ,                   nhim sc th            , .  a. (1) Nhim sc th   . (2) Nhim sc th     . (3) Nhim sc th   . (4) Nhim sc th     .           : Chn câu tr l A. 2 B. 4 C. 3 D. 1 Câu 34. (ID:94848)Nh                          ? A.   3 (A, U, X) 26 b         . B. 3 b 1 b         60 b       . C.          ba 53                . D.   ba 53             . Câu 35. (ID:94849)Vi                      : A.              t, b   m sc th,              t, b  . B.                           . C.           ,     ,               . 6/16 D.               . Câu 36. (ID:94850)     t,                   ;                 A.     t                         2        .            . ,  : A. 105 : 35 : 3 : 1. B. 33 : 11 : 1 : 1. C. 9 : 3 : 3 : 1. D. 3 : 3 : 1 : 1. Câu 37. (ID:94851)    t,  2      c l   m sc th .                ,         .        2 c         1,    F1     .  ?                : A. 45 B. 81 C. 36 D. 9 Câu 38. (ID:94852) ,                   ;                     . Hai c       mt c             10 cM.        (P) ,      , 1.   1       . ,           , 2   : A. 10%. B. 20%. C. 25%. D. 45%. Câu 39. (ID:94853)    , ? A.              ,       1        . B. 1 . C.              ,            . D.                   . Câu 40. (ID:94854)            ,          ,          (XY)          (XX)  : A.   m sc th. B. Nm sc th     , . C.   m sc th . D.   m sc th     , . Câu 41. (ID:94855)M                0,54AA : 0,36Aa : 0,10aa.                  . ,    F1 : A. 0,70AA : 0,20Aa : 0,10aa. B. 0,5184AA : 0,4032Aa : 0,0784aa. C. 0,63AA : 0,18Aa : 0,19aa. D. 0,54AA : 0,36Aa : 0,10aa. Câu 42. (ID:94856)  ,                .  ,              4    : A. 37,50%. B. 12,50%. C. 6,25%. D. 18,75%. Câu 43. (ID:94857)? A.     . B. . C.       . D. . Câu 44. (ID:94858)    : A. . B.         , ,     . C.              . D. . Câu 45. (ID:94859) ,          .  , p nhim sc th 2   . p nhim sc th . : A.         , m    t nhim sc th 2   t nhim sc th 2. B.   t nhim sc th 2 . C. . D.               mt nhim sc th 2. Câu 46. (ID:94860)    t,      ;      ;        ;       .     , 2 c                ,  1 54%.        ,  1,       2 gen tr    ?                              . A. 41,5%. B. 21%. C. 50%. D. 48,15%. Câu 47. (ID:94861)        ,       ? A.           . B.                      c. C.                           ng. D. t                 . Câu 48. (ID:94862)? A.                     . B.      . C. . D.             m                    . Câu 49. (ID:94863)          ? A.                                         . B.                     . C.                       ,         . D.                         . Câu 50. (ID:94864)             ? A. M ,       . B. Vi sinh v              , . C. . D. . . D (Đề thi có 06 trang) ĐỀ CHÍNH THỨC KÌ THI THỬ THPT QUỐC GIA LẦN 2 NĂM 2015 Môn thi: SINH HỌC Thời gian làm bài: 90 phút không kể thời gian phát đề ĐỀ THI GỒM 50CÂU (TỪ. v, ,  81  - , 79   -   , 21  -   , 19  - . Nh          ? 2/16. (ID:94778)    ,  120    .    = 2 3 G. 1  = 120 nucleotit, 2  = 20%       .