Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice
Given below is a pedigree showing the inheritance of an autosomal dominant disorder.
The genotypes of person 1, 2 and 3 in this family tree are:
Options:
Answer:
D
Solution:
In the above pedigree, person 1 has Mm genotype (M id dominant over m), person 2 has Mm genotype (M is dominant over m) and because of the presence of a dominant gene, they both are disease sufferer. But person C (genotype mm) is normal because there is no dominant gene in her genotype.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020
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