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Researchers observed that Muller's ratchet can lead to a gradual decline in fitness in small, asexual populations.
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Researchers observed that Muller's ratchet can lead to a gradual decline in fitness in small, asexual populations.
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Related words
Muller's ratchet
Noun
Japanese Meaning
ムラーのラチェット（進化遺伝学）：無性生殖集団において、遺伝子プールが可逆的でない形で有害な突然変異を蓄積し、個体群の適応度が低下していく現象。 / 理論としては、性の進化を説明するために提案されたもので、無性生殖では有害突然変異が効果的に除去されないため、累積的な遺伝的劣化が進むプロセスを指す。
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