Zoology - Principles of Inheritance and Variation Question with Solution | TestHub

ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2016
ZoologyEasysingle choice

If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind isNEET 2016 (Phase 2)

Options:

Answer:
A
Solution:

Colour blindness is an X-linked recessive disease and shows criss-cross inheritance. If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is 0%.



100% - carrier daughters (Phenotypically normal)

100% - Normal son

Stream:NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2016

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