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Continuity and Change D.4 Cell & Nuclear Division (id: 30185966d)

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admin 发表于 2024-2-6 11:31:06 | 显示全部楼层 |阅读模式
本题目来源于试卷: Continuity and Change D.4 Cell & Nuclear Division,类别为 IB生物学

[单选题]
The diagram below shows a cross between a male cat that is homozy6-t k4dk0wf wejfg:d6 goa9 a7j9 bsj1xg k me5ek: l2t2khtm)n)us for brown, long hair and a fsm2a )j xe:2kmhb 9leat 1jn9kgtk)75emale cat that has black, short hair.


Which of the offspring has a recombinant genotype?


A.
B.
C.
D.


参考答案:  C


本题详细解析:

Bbll is a recombinant as it is a mixture of the parental genotypes. Choice C is correct.

Choices A and D are incorrect because they are the parental genotypes, not recombinants. Choice B is incorrect because it is impossible to have offspring with BB, as only one parent has a B in their genotype.

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