Question

what is gene
explanations required​

Answer 1

Explanation:

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not co.de for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.

Answer 2

Answer:

Pls mark me as the brainliest if this is helpful

Explanation:

Gene: The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as "a DNA segment that contributes to phenotype/function.