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OfficialBigDog

Answer:

A chromosome is made out of  DNA tightly coiled many times around proteins called histones that support its structure.

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Cutiepatutie

Answer: DNA/nucleic acids and proteins

Explanation: Chromosomes are made of nucleic acids and protein, these carry genetic information (genes). The are made of DNA and are used to pass on traits during production.

Hope this helps, have a blessed day! :-)