EPISODE · May 17, 2025 · 10 MIN
2025 biology talkshow : 基因開關的秘密-表觀生物學
from 雷比特生物空中講 · host 雷比特老師
解釋表觀遺傳學的概念，闡述了不改變 DNA 序列本身，而是透過調控基因的表達方式來影響生物體性狀的科學。文章比喻 DNA 為書本內容，而表觀機制則是書籤、螢光筆或鎖，控制著基因的開啟與關閉。內文詳細說明DNA 甲基化、組蛋白修飾與非編碼 RNA這三大主要的表觀調控機制，並舉例說明它們在發育、疾病（如癌症）、記憶形成及對環境因素（如飲食、壓力）的回應中所扮演的角色。最後強調表觀變化是可逆且可遺傳的，提示我們的健康與命運不只由基因決定，也深受生活方式與環境的影響。 Powered by Firstory Hosting
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2025 biology talkshow : 基因開關的秘密-表觀生物學
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