Problema sex-linked recessive allele of a gene c produces, Ask an Expert

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Problem:

A sex-linked recessive allele of a gene "c" produces red-green colour blindness in humans. A normal woman whose mother was colour-blind, marries a colour-blind man.

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Question 1: What genotypes are possible for the mother of the colour-blind man??

Question 2: What is the chance that the first child from this marriage will be a normal seeing girl?

Question 3: Of all the boys produced by these parents, what proportion is expected to be colour-blind??

Question 4: Of all the children (sex unspecified) from these parents, what proportion is expected to be normal?

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Biology, Academics

Category:- Biology
Reference No.:- M91149317

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