What is chemical composition of a genes
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Genes are composed of deoxyribonucleic acid (DNA), except in some viruses, which have genes consisting of a closely related compound called ribonucleic acid (RNA). A DNA molecule is composed of two chains of nucleotides that wind about each other to resemble a twisted ladder.
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Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. molecules.
Explanation:
The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The sides are sugar and phosphate
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