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What is the relationship between DNA, a gene, and a chromosome?

A. A chromosome contains hundreds of genes, which are composed of DNA

B. A chromosome contains hundreds of genes, which are composed of protein

C. A gene contains hundreds of chromosomes, which are composed of protein

D. A gene contains hundreds of chromosomes, which are composed of DNA​

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Answer:

A

Explanation:

The correct option is (a). Chromosomes are long thread-like structures present in the nucleus of a cell which contains hereditary information of the cell (genes). Genes are the part of a chromosome and made up of DNA.

Answer:

A

Explanation:

chromosomes contain genes and Gene's are made of dna.

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