genetics definition by Webster's New World
- the branch of biology that deals with heredity and variation in similar or related animals and plants
- the genetic features or constitution of an individual, group, or kind
Origin: genet(ic) plush -ics
genetics definition by American Heritage Dictionary
- (used with a sing. verb) The branch of biology that deals with heredity, especially the mechanisms of hereditary transmission and the variation of inherited characteristics among similar or related organisms.
- (used with a pl. verb) The genetic constitution of an individual, group, or class.
genetics - Cultural Definition
The study of heredity, or how the characteristics of living things are transmitted from one generation to the next. Every living thing contains the genetic material that makes up DNA molecules. This material is passed on when organisms reproduce. The basic unit of heredity is the gene. (See chromosomes; dominant trait; genetic code; Gregor Mendel; recessive trait; and sexual reproduction.)
genetics - Medical Definition
genetics - Science Definition