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TT??r`qqqqqqqqqqqq a89+%)2<=> ? ^^TTr^_qqqqqqqqqqqqqqq M&TL M&TL  a@)2)5)29A=> ?  ?st ` T  ` T  T ?  T ? u ` T  ` T  T ?  T ? vr _` L_ r w x qqqqqqqqqqqq a@)2<)5)2<9A=> ?  ?st ` T  ` T  T ?  T ? u ` T  ` T  T ?  T ? vr _` L_ r w x qqqqqqqqqqq M&TL M&TL 2 (1,0đ) Kiểu gen của P. aP$.d#$%=> ? ugW,01C?MMNC Dry)2QEW#$%, +(qqqqqqqqqqqqqqqqqqqqqqqqqq ugW<%C> ? ?C$G?CHIryJ2QEW# $%,,qqqqqqqqqqqqqqqqqqqqqqq aJ;5)2$.ry)2Q 6?qqqqqqqqqqqqqqqqqq 6Tqqqqqqqqqqqqqqqqqqqqqqq M&TL M&TL M&TL M&TL 3 (1,0 đ) azL,+0CO<34+ ?zM${<34 ?zM${<34qqqqqqqqqqqqqqq aL,+0CO$9+%O,+T=,+V+ u?M${<34 uL${)*<34 uL${)*<34)*E,qqqqqqq a@+U<34Vt?zMu?Mv|`MMr?|Tqqqqqqq a@+U)*<34L|`MMr?|wMqqqqqqq M&TL M&TL M&TL M&TL 4 (1,0 đ) ;< aeZ$<X !"/012 ($3Q+,00CY# 59;Q^5$<.O&COE,Iq a80CY#%+$W!X;}5$<CO%+$ W+%+U)5EW:9/012&0);~. 5+%+U$+I%+$5;UYX;/01 2)5ry%+W!X;q M&TL M&TL = a89+%+U,`qqqqqqqqqqqqqqqqqqqqqqq a@+U<34?|`rTLN M&TL M&TL 5 (1,5 đ) * Số chu kỳ xoắn của gen B TM ^MMM r?LMqqqqqqqqqqqqqqq * Chiều dài các gen: aeW,r T ^MMM ^&`rL?MM M  aeW, X09.*Q^MMMs_rTzz` ryeW,r T Tzz` ^`rLMwz&w M qqqqqqqqqqqqq * Số liên kết hiđrô của gen b: a89.*+% .Q!\?`|tT ^ a?vrTqqqqq ry[!\T(aE,?([sPqqqqqqqqqqqqqq ry[#Zx.) $* ry09.) $*Q^LMMsxr^`z^qqqqqqqqqqqqq M&TL M&TL M&TL M&TL M&TL M&TL 6 ; * Thể đột biến:2!"tTu?vqqqqqqqqqqqqqqqqq M&TL (1,0 đ) * Cơ chế phát sinh:+"(/012)*O$+CO& %++Utu?v&+U,);EK+U<34tv%+;U d?/012tTu?vry2!"tTu?vqqqqqqqqqqq M&TL = * Trong thực tế đột biến đa bội được ứng dụng phổ biến hơn trong chọn giống cây trồngqqqqqqqqqqqqqqqqqqqqqqqqq g<,+ " ""/012'093;m.\"&, 3;nm.3ZV&5$<X;5\/$%] Z&~K)#3KQ,+K&Z03c+&0$3=5 $2%&9!9qqqqqqqqqqqqqqqqqqqqq M&TL M&TL x t?&L v ; * Khái niệm giao phối gầnk,0+9Y+50$d"(9 A+(Y9AE,+5qqqqqqqqqqqqqqqqqqq * Ảnh hưởng của giao phối gần đến thế hệ sau:8$3=&5$2& )Cm00CC&5&!S•0&+qqqqqqqq * Ý nghĩa thực tiễn của giao phối gần: aeQ9E,$<"#$%+9,+ 'qqqqqqqqqq a%+GH&S;+0 55)2dG&5 \ 2+%$)DH2qqqqqqqqqqqqqqqqqqqqq M&TL M&TL M&TL M&TL = * Khái niệm lai kinh tế: e+Y(ES*9A"GH )5$:{+> ? 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.    !"#  Thời gian làm bài: 150 phút, không kể thời gian giao đề   $%(1,0.  /01"# 22!-.(Đáp án có 2 trang) $% 3 456%78 59: 1 (1,0đ)  a89+%)2 :;=> ? TT??r`qqqqqqqqqqqq a89+%)2<=> ? ^^TTr^_qqqqqqqqqqqqqqq M&TL M&TL  a@)2)5)29A=> ?  ?st ` T  ` T  T ?  T ? u ` T  ` T  T ?  T ? vr _` L_ r w x qqqqqqqqqqqq a@)2<)5)2<9A=> ?  ?st ` T  ` T  T ?  T ? u ` T  ` T  T ?  T ? vr _` L_ r w x qqqqqqqqqqq M&TL M&TL 2 (1,0đ) Kiểu