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Albinism is a rare autosomal recessive trait in which there is a complete absence of melanin...

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Biology

Albinism is a rare autosomal recessive trait in which there is acomplete absence of melanin pigment in the skin, eyes, and hair. Anormally pigmented woman whose parents are normal has a brother whois albino. She marries a normally pigmented man whose grandfatherwas albino. What is the probability their first child will bealbino?

I would like to see the problem worked out. Dont understand whyit is 1/12. Thank you in advance

Answer & Explanation Solved by verified expert
4.4 Ratings (847 Votes)
Albinism is an autosomal recessive trait let the alleles be Anormal and a recessiveBoth parents of the woman are phenotypically normal but theyhave one affected progeny this shows both parents    See Answer
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