What is an application of genetics?

Genetics:

1. The branch of biology deals with the study of inheritance and variations is known as genetics.
2. The transmission of characters from parents to the offspring is known as inheritance.
3. The differences in the characters among individuals of the same species is known as variation.

Application of genetics: Gene therapy:

1. The application of genetics that involves the replacement of a defective gene (mutated gene) with a healthy gene is called gene therapy.
2. Gene therapy is used to treat many genetic disorders such as cystic fibrosis, hemophilia, and severe combined immunodeficiency.