What is the structure of a chromosome? What is the difference between sister chromatids and homologous chromosomes?

Explanation:

1). Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing.

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answer; i believe the correct answer is (replication is not conservative);

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