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

ZoologyPrinciples of Inheritance and VariationGenetic DisordersMedium2 minPYQ_2005
ZoologyMediumsingle choice

A women with 47 chromosomes due to three copies of chromosome 21 is characterized by:NEET 2005

Options:

Answer:
D
Solution:

Down Syndrome is a chromosomal aneuploidy, caused by an extra copy of chromosome 21 known as trisomy 21. Turner syndrome is caused by partial or complete loss (monosomy) of the second sex chromosome . Triploidy is the presence of an additional set of chromosomes in the cell for a total of 69 chromosomes rather than the normal 46 chromosomes per cell.

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

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