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the number of pairs of autosomes in humans is
Question:
The number of pairs of autosomes in humans is:
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Humans have 46 chromosomes in total, out of which 44 are autosomes and 2 are sex chromosomes.
Bihar Board X - 2023
Bihar Board X
Updated On:
Oct 27, 2025
24
23
11
22
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The Correct Option is
D
Solution and Explanation
Humans have 23 pairs of chromosomes, out of which 22 pairs are autosomes (non-sex chromosomes), and the 23rd pair consists of sex chromosomes (XX in females, XY in males). Thus, the correct answer is \( \mathbf{(D) \text{22}} \).
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