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

ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice

If a disease shows its transmission from unaffected carrier female to some of the male progeny, the nature of its trait will be:

Options:

Answer:
D
Solution:

X-linked recessive genes show criss-cross inheritance i.e. this gene is transferred from affaected male to female of next generation (carrier) and then it is transferred to male of next generation (affected) . If unaffected parents have affected progeny then this trait is often recessive. If affected parents (one or two) have unffected children then this trait is often dominant.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020

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