What is the name of the chemical substance which constitutes the genes ?

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Solution

Deoxyribonucleic acid
The vast majority of organisms encode their genes in long strands of DNA (deoxyribonucleic acid). DNA consists of a chain made from four types of nucleotide subunits, each composed of: a five-carbon sugar (2-deoxyribose), a phosphate group, and one of the four bases adenine, cytosine, guanine, and thymine.

DNA is the chemical substance of which genes are made up of.

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