Question

what is the definition of a DNA​

Answer 1

Answer:

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The chemical in the cells of an animal or a plant that controls what characteristics that animal or plant will have

Answer 2

DNA (deoxyribonucleic acid) is a genetic material  which carries all the hereditary information. Genes are the small segments of DNA. They are present in the nucleus of a cell and are responsible for passing the characteristics of our family members to us through sexual reproduction.