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A woman with normal vision,but whose father was colour blind,marries a colour blind man.Suppose that the fourth child of this couple was a boy .This boy:

A

Must have normal colour vision

B

Will be partially colour-blind since is heterozygous for the colour-blind mutant allele

C

Must be colour-blind

D

May be colour-blind or may be of normal vision.

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. Thus boy

    A
    Will be partially colour blind since he is heterozygoustor for the colour blind mutant able
    B
    Must have normal colour vision
    C
    Must be colour blind
    D
    May be colour blind or may be of normal vision,

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    A
    Must have normal colour vision
    B
    Will be partially colourblind since he is heterozygous for the colourblind mutant allele
    C
    Must be colourblind
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    May be colourblind or may be of normal vision

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    A
    must have normal colour vision
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    will be partially colour blind since he is heterozygous for the colour blind mutant allele
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