Question

what is genes? which chemical forms genes? give thier functions.

Answer 1

•a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

•Chemical structure of genes. Genesare composed of deoxyribonucleic acid (DNA), except in some viruses, which have genes consisting of a closely related compound called ribonucleic acid (RNA).

•Each gene occupies a specific position on a chromosome. Because genes provide instructions for makingproteins, and proteins determine thestructure and function of each cell in the body, it follows that genes are responsible for all the characteristics you inherit.