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题目
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Question at position 7 A man with type AB blood produces offspring with a woman with type O blood. What are the possible blood types of their children, and in what proportion?Prompt 1AAnswer for prompt 1 A[input]Prompt 2BAnswer for prompt 2 B[input]Prompt 3ABAnswer for prompt 3 AB[input]Prompt 4OAnswer for prompt 4 O[input]Possible answers0%50%100%75%25%BlackTom题目解析

选项
A.0%
B.50%
C.100%
D.75%
E.25%
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思路分析
The question describes a genetic cross between a man with AB blood type and a woman with type O blood. In ABO genetics, the AB parent has genotype IAIB, and the O parent has genotype ii. Offspring from IAIB x ii can only inherit either IA from the AB parent with an i from the O parent, or IB from the AB parent with an i from the O parent. This yields two possible genotypes: IAi (which expresses blood type A) and IBi (which expresses blood type B). Therefore, the expected phenotypes are A and B in a 1:1 ratio, i.e., 50% A and 50% B. Now, eva......Login to view full explanation

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