유전자풀

집단유전학에서 유전자풀(영어: gene pool) 또는 유전자급원(遺傳子給源)은 어떠한 생물 종이나 개체 속에 있는 고유의 대립형질의 총량을 말한다. 커다란 유전자풀은 상당한 유전적 다양성이 있음을 말해 주며 이는 치열한 선택 속에서 살아남을 수 있는 튼튼한 개체 수와 관련되어 있다. 그러나 낮은 유전적 다양성 (근친 교배, 개체 병목효과 참조)은 적응도를 떨어트리고 멸종 가능성을 높여 준다.

이 유전자풀이라는 용어는 1951년에 T.도브잔스키가 제창한 것으로, 유전자풀의 변화에 따라 생물이 진화하는 것으로 보고 있다. 최재천 교수는 '유전자군'이라는 번역명을 제안하였다.[1]

진화를 가능하게하는 4가지 힘

돌연변이, 유전자 이동, 유전자 부동, 자연선택

같이 보기

각주

  1. ↑ 자연선택의 원리. 최재천 글

외부 링크

  • (영어) Gap Analysis Portal reliable information source on where and what to conserve ex-situ, for crop genepools of global importance
이 글은 생물학에 관한 토막글입니다. 여러분의 지식으로 알차게 문서를 완성해 갑시다.

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