English Dictionary

mutational meltdown

名詞

可算名詞 不可算名詞

(genetics) The process by which a small population accumulates harmful mutations, which leads to loss of fitness and decline of the population size, which may lead to further accumulation of deleterious mutations due to fixation by genetic drift.

日本語の意味

遺伝学における現象で、少数の個体群が有害な突然変異を蓄積し、適応度が低下することにより個体数が減少し、その結果さらなる有害変異の固定（遺伝的浮動による）が進行する現象。

Conservationists worried that the island fox population could suffer a mutational meltdown if inbreeding continued.

保全担当者たちは、近親交配が続けば島のキツネの個体群が有害な突然変異の蓄積によって崩壊する可能性を懸念した。

意味（1）

(genetics) The process by which a small population accumulates harmful mutations, which leads to loss of fitness and decline of the population size, which may lead to further accumulation of deleterious mutations due to fixation by genetic drift.

mutational meltdowns （ plural ）