Question detail

What is the total number of chromosomes in ordinary human body cells?

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

Humans have a total of 46 chromosomes, organized into 23 pairs, with 22 pairs controlling characteristics and 1 pair determining 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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