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Dmitry [639]
3 years ago
7

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

Biology
1 answer:
serg [7]3 years ago
7 0

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.

2) is pic

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