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

ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2005
ZoologyEasysingle choice

Given below is a pedigree chart showing the inheritance of a certain sex-linked trait in humans.
The trait traced in the above pedigree chart is

Options:

Answer:
A
Solution:

In the given chart the disease is inherited by female child from his father and none of the male child is affected hence it shows that the disease is X linked. Moreover, in the progeny the disease is expressed phenotypically by female child even if it is carrier, so the disease is dominant. Hence the pattern of disease is linked dominant.

Stream:AIIMSSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2005

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