Question detail

How many pairs of chromosomes in ordinary human body cells control characteristics only?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Reproduction

Question

22 pairs

22 pairs of chromosomes in human body cells are responsible for controlling characteristics, while one pair determines sex.

Misunderstanding Chromosome Function

Students often confuse the role of the 22 chromosome pairs that control characteristics with the sex chromosomes, thinking all pairs determine sex.

Emphasize that 22 pairs are responsible for traits and characteristics, while only one pair (the sex chromosomes) determines sex.

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