question archive 1) In humans, color—blindness (Xn) is sex-linked and recessive to normal Vision (XN)
1) In humans, color—blindness (Xn) is sex-linked and recessive to normal Vision (XN)
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1) In humans, color—blindness (Xn) is sex-linked and recessive to normal Vision (XN). A color-blind man has several children with a woman who does not carry a gene for color-blindness. a. What proportion of this couple's children could be color—blind? b. What proportion of their daughters could be carriers of the gene? What proportion of their sons?
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A) The man is color blind. His genotype being XnY.
The woman does not carry any gene for colorblindness, hence her genotype is XNXN.
Parents; XnY × XNXN
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