478. The number of chromosomes in human body is

A. 42
B. 44
C. 46
D. 48
✅ The correct answer is option C.
The number of chromosomes in human body is 46. In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.

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