Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice
The number of sex chromosomes is found to be normal in
Options:
Answer:
D
Solution:
Down's syndrome is an autosomal aneuploidy. It is a trisomy of the 21st chromosome. Turner's, Klinefelter's syndrome and super female are chromosomal disorders involving the X chromosome.
Turner's syndrome - one X chromosome is missing
Klinefelter's syndrome - one extra copy of X chromosome in males
Super female - three copies of X chromosome in females
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020
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