Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice
Which of the following disorders show a karyotype of 47 chromosomes (XXY)?
Options:
Answer:
D
Solution:
Klinefelter's syndrome is caused by the presence of an additional copy of X-chromosome resulting in a karyotype of 47, XXY. Such an individual has overall masculine development; however, the feminine development (development of breast, i.e., gynaecomastia) is also expressed. Such individuals are sterile.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020
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