Inbreedingnoun
(biology) breeding between members of a relatively small population, especially one in which most members are related
Inbreedingnoun
the act of mating closely related individuals
Inbreeding
Inbreed is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the term is used in human reproduction, but more commonly refers to the genetic disorders and other consequences that may arise from expression of deleterious or recessive traits resulting from incestuous sexual relationships and consanguinity.
Outbreedingnoun
The breeding of unrelated (or only distantly related) individuals.
Outbreedingnoun
The mating of people from different groups (especially as a result of social proscription).