Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice
Which of the following is true for disease in families A and B?
Options:
Answer:
D
Solution:
In family A, both the parents are heterozygous and the diseases represented in the pedigree are due to an autosomal recessive gene. Since parents appear normal, they are a carrier of recessive allele and passes to some of their progeny, as recessive alleles express itself in homozygous recessive condition only.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020
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