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ICSE Class 10 Biology Question 5 of 18

Structure of Chromosomes, Cell Cycle and Cell Division — Question 9

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Question

Question 9

In the cells of a human male body, the number of autosomes is :

  1. 23 pairs
  2. 22 pairs
  3. 1 pair
  4. 46 pairs
Answer

22 pairs

Reason — Out of total 23 pairs of chromosomes, 22 pairs are autosomes and 1 pair is sex chromosome.