Biology, 07.04.2020 03:05 didraga777
Red-green color blindness is due to an X-linked recessive allele in humans. A widowâs peak (a hairline that comes to a peak in the middle of the forehead) is due to an autosomal dominant allele. Consider the following family history:
A man with a widowâs peak and normal color vision marries a color-blind woman with a straight hairline.
The manâs father had a straight hairline, as did both of the womanâs parents.
Use the family history to make predictions about the coupleâs children.
What is the chance that any daughter the couple has will be color blind with a straight hairline?
A. 0B. 1/2C. 3/4D. 1E. 1/4
Answers: 2
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Red-green color blindness is due to an X-linked recessive allele in humans. A widowâs peak (a hairli...
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