2025 biology talkshow : 基因變化的偶然性- [中性演化理論]

中性遺傳理論由木村資生於1968年提出。理論認為，大多數基因突變對生物沒有明顯影響，它們之所以能在族群中傳播，主要不是因為自然選擇，而是憑藉遺傳漂變，一種隨機的過程。以同義突變和假基因為例說明中性突變，並強調該理論並不否認自然選擇，而是指出在分子層面，中性變化佔大多數。最後闡述了中性理論在理解基因變化速度、推動基因體研究以及改變演化觀念方面的重要性。 Powered by Firstory Hosting

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2025 biology talkshow : 基因變化的偶然性- [中性演化理論]

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