Under normal circumstances, a zygote has ____ pairs of chromosomes.
A) 12
B) 23
C) 46
D) 68

Name: Under normal circumstances, a zygote has ____ pairs of chromosomes. A) 12 B) 23 C) 46 D) 68
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A zygote is formed by the fusion of a sperm cell and an egg cell, each with 23 chromosomes. Therefore, a zygote has 23 pairs of chromosomes, for a total of 46 chromosomes. Choices A and D are incorrect as they do not reflect the normal number of chromosomes in a human zygote.

Under Normal Circumstances, a Zygote Has ____ Pairs of Chromosomes