A gene may be defined as the unit of inheritance that is carried from the parent by a gamete in chromosomes and controls the expression of a character in a young one in cooperation with its allele, other genes, and environment.
A gene is a linear segment of DNA and helps the body in synthesizing specific proteins.
Genetic makeup:
There are about 20,000 genes in each cell of the human body.
Gene makes up the blueprint for the human body and how it works.