A diploid cell has two sets of chromosomes, what is the diploid number of a human somatic cell if one human gamete has 23 chromosomes?
Correct answer: C. 46
- A. 44
- B. 45
- C. 46
- D. 43
Explanation
A diploid cell has two complete sets of chromosomes. Most cells in humans are diploid, comprising 23 chromosome pairs, so 46 chromosomes in total. This is 22 pairs of autosomes and a pair of sex chromosomes. One copy of each chromosome pair came from the individual's mother and the other from the individual's father. The other options have incorrect values.
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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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