What is the function of a centromere?
- A. To protect the ends of chromosomes
- B. To hold sister chromatids together
- C. To carry genetic information
- D. To initiate DNA replication
Explanation
The centromere joins the two sister chromatids and carries the kinetochore, the protein plate that the spindle microtubules attach to during division. Protecting the chromosome ends is the job of the telomeres, which is the closest distractor here. Genetic information is carried along the whole length of the DNA rather than at one point, and replication begins at origins distributed across the chromosome.
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