Biology
Senior High
Resolved
想請教這題怎麼算~
AB/Ba
Ablab
2.已知2個等位基因A-a和B-b互換率為20%,而且a-B發生連鎖,若現有一基因型為
AaBb 的個體,減數分裂過程中發生互換,則其產生AB、Ab、aB、ab4種配子的比例
為何?
(A)4:1:1:4 (B)3:22:3 (C)1:1:1:1 (D)1:4:4:1
a B
ab B
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