Question

What is a gene?

Answer 1

Gene:

1. A gene is the functional segment of the DNA, which is responsible for the expression of a character.
2. A gene expresses itself by forming a protein.
3. Gene is the basic unit of heredity.
4. Genes consist of nitrogen bases.
5. Human genes range from a few hundred bases long up to a maximum of 2 million bases long.
6. The human genome (sum total of all genes in the humans) consists a total of 20,000 to 25,000.