What percentage of Couple 1’s male offspring will be color blind? What percentage of their female offspring will be color blind?

Part A

Couple 1 comes into your office. The husband has normal vision; the wife is heterozygous for the color-blindness allele.
What percentage of Couple 1’s male offspring will be color blind? What percentage of their female offspring will be color blind?

ANSWER:

Part B

Couple 2 comes into your office. The husband is color blind; the wife is homozygous for the normal vision allele.

What percentage of Couple 2’s male and female offspring will be color blind?

ANSWER:

Part C

Couple 3 comes into your office. The husband is color blind; the wife is heterozygous for the color-blindness allele.

What percentage of Couple 3’s male and female offspring will be color blind?

ANSWER:

Part D

Review the results you obtained for the female offspring of the three couples.

Based on your results for the female offspring, predict whether color blindness is a dominant or recessive trait. Explain your reasoning.

 

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What percentage of Couple 1’s male offspring will be color blind? What percentage of their female offspring will be color blind? was first posted on April 24, 2019 at 11:24 am.
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