The number of chromosomes in human cell is_____________?
Correct answer: C. 46
- A. 48
- B. 44
- C. 46
- D. 26
Explanation
A normal human somatic cell contains 46 chromosomes arranged in 23 pairs, including 22 pairs of autosomes and one pair of sex chromosomes. Students may choose 44 because they count only the autosomes and omit the two sex chromosomes.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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