What structure holds sister chromatids together?
Correct answer: D. Centromere
- A. Gene
- B. Nucleosome
- C. Centrosome
- D. Centromere
Explanation
A centromere is a region of a chromosome that plays a critical role during cell division. It is the constricted region where sister chromatids are held together.
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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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