Question

What are genes? Which chemical forms genes? Give their functions.​

Answer 1

A gene is a basic structural and functional unit of heredity.

It is composed of DNA.

It's functions are -

• Giving same features to the children as of the parents.
• Making sure that the child is of the same genes of the parents.

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Answer 2

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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