A certain type of frog reproduces sexually and has 36 pairs of chromosomes in each of its body cells. How many chromosomes are in each of the frog’s sex cells?

Body cells have 36 pairs of chromosomes, so they contain 36 × 2 = 72 chromosomes in total. Sex cells have half as many chromosomes as body cells because they receive one chromosome from each pair. Therefore, each sex cell has 36 chromosomes, which is choice C.

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