近きん交こう弱じゃく勢せい

noun

inbreeding depression

Technical term in genetics and breeding. Refers to reduced biological fitness in a population due to inbreeding.

• 近きん交こう弱じゃく勢せいは、近きん親しん交こう配はいによって集しゅう団だんの適てき応おう度どが低てい下かする現げん象しょうです。

  Inbreeding depression is a phenomenon where the fitness of a population declines due to inbreeding.