genetics /dʒəˈnɛt.ɪks/ noun2 •The branch of biology that deals with the transmission and variation of inherited characteristics, in particular chromosomes and DNA.Genetics has shown that people are different, and these differences cluster according to geography and culture, but never in a way that aligns with the traditional concepts of human races. — 2017 •The genetic makeup of a specific individual or species.As a result of your father’s, mother’s, and their parents genetics, you are born with a genetic structure that is dealt to you at conception. […] Our ancestry determines our genetics. — 2005