The term genetics is coined by

The term genetics is coined by Bateson.
William Bateson (8^th August 1861 - 8^th February 1926) was an English biologist who was the first person to use the term genetics to describe the study of heredity and the chief populariser of the ideas of Gregor Mendel.
Genetics is the study of genes, genetic variation, and heredity in organisms. Trait inheritance and molecular inheritance mechanisms of genes are primary principles of genetics.