Problem 8: A man with normal color vision and a woman who is a carrier for red-g

Question

Problem 8: A man with normal color vision and a woman who is a carrier for red-green color are going to have children. What are the an individual who carries a chances that their children will be color blind? deleterious bad) allele but who does resulting from that allele. Carriers are Parents Father Mother What are the childrens s genotypes and phenotypes? Genotype Phenotype Boy or gr? What percentage of the children should be expected to be colorblind? What percentage of the daughters should be expected to be colorblind? What percentage of the sons should be expected to be colorblind? From which parent did the colorblind children inherit the recessive gene? What percentage of the children are carriers of the recessive allele? What percentage of the daughters are carriers of the recessive allele? What percentage of the sons are carriers of the recessive allele? 110

Explanation / Answer

Here the father is a normal vision therefore it is X+Y

And the mother is red-green color blind,therefore it is X+Xc

Percentage of children expected to be color blind is 50%

Percentage of daughters expected to be color blind is 25%

Percentage of sons expected to be color blind is 25%

From which parent did the colorblind children inherit the recessive gene mother (Xc)

What percentage of the children carry the recessive allele 50%

What percentage of the daughters are carriers of the recessive allele 50%

What percentage of the sons are carriers of the recessive allele null

Xc X+ X+ XcX+ X+X+ Y XcY X+Y

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