Biology
Grade-8
Easy
Question
A human usually has _____ chromosomes in _____ pairs
- 4,2
- 22, 11
- 70, 35
- 46, 23
Hint:
23 pairs, 46 chromosomes
The correct answer is: 46, 23
- A human usually has 46 chromosomes in 23 pairs.
- 22 pairs of chromosomes are called autosomes and one pair is of sex chromosomes.
- So, the correct option is d.
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