EPISODE · Jul 31, 2025 · 10 MIN
2025 talkshow: 隨機演化的力量-遺傳漂變的意義 (選修生物4)
from 雷比特生物空中講 · host 雷比特老師
詳細闡述遺傳漂變的核心概念，解釋它如何在有限族群大小中導致等位基因頻率的隨機波動，並透過Wright-Fisher模型和Moran模型進行數學闡釋。強調有效族群大小（Ne）對漂變影響程度的關鍵作用，並透過瓶頸效應、創始者效應等多個實際案例，如北象海豹、阿非利卡人及冰島人，具體說明了遺傳漂變在自然界和人類族群中的表現。此外，也探討遺傳漂變與自然選擇的關係，指出其在中性突變和分子演化中的主導地位，並介紹中性理論與分子鐘等延伸概念，總結了遺傳漂變對於理解演化過程和保育遺傳學的重要性。 自主測驗網址: https://g.co/gemini/share/a75ad8bce9bd Powered by Firstory Hosting
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2025 talkshow: 隨機演化的力量-遺傳漂變的意義 (選修生物4)
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