2025 選修生物IV CH1-2 為什麼顯性特徵沒有佔領全世界？漫談基因數學法則-哈溫定律

這篇闡述哈溫定律，一個由哈帝和溫伯格獨立提出的數學模型，旨在解釋為什麼顯性特徵並不會在族群中無限增長。首先透過假設一個沒有演化力量干擾的「理想國」來解釋定律的核心原則，即在特定條件下（如無突變、隨機交配、無基因流、無天擇及族群無限大），基因和基因型的比例將保持恆定。接著，介紹兩個核心數學公式，用以計算基因頻率和基因型頻率。最後強調哈溫定律雖然描述的是理想狀態，卻是演化學的基石，並在醫學、保育生物學和法醫學等多個實際應用領域中扮演著關鍵的「基因量尺」角色，幫助科學家量化並理解真實世界中的基因變動。 Powered by Firstory Hosting

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2025 選修生物IV CH1-2 為什麼顯性特徵沒有佔領全世界？漫談基因數學法則-哈溫定律

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