Genetics refers to the study of the genetic make-up of organisms and how it influences physical and behavioural characteristics. It deals with heredity, especially the mechanisms of hereditary transmission and the variation of inherited characteristics among similar or related organisms.

See also:
"Genetics" is in the UNSPSC Code "60104003"
  Genetics books

Other /More definition:
Genetics is defined as the branch of Biology that studies heredity, especially the mechanisms of hereditary transmission and the variation of inherited characteristics among similar or related organisms; the study of the genetic make-up of organisms and how it influences physical and behavioural characteristics.

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