STANDARDZoology-Genetics
STANDARD Zoology Chromosomal Disorders MCQ Question
Type: MCQ-conceptual-Medium
Based on Lyon's hypothesis, what will be the number of Barr bodies found in a human female suffering from Down's syndrome
A
0
B
1
C
2
D
3
Correct Answer
Option B
Detailed Explanation
Down's syndrome is characterized by trisomy 21, resulting in one Barr body in females due to one inactive X chromosome.
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