EPISODE · Jan 12, 2026 · 12 MIN
2026newtalk 國中生物 單元七:細胞的影分身之術-染色體與分裂之舞
from 雷比特生物空中講 · host 雷比特老師
以生動的比喻介紹細胞分裂的微觀機制，從歷史背景出發，描述科學家如何發現染色體及其化學組成。詳細辨析染色質與染色體在細胞不同階段的型態轉變，說明這些遺傳物質是為了「方便讀取」或「安全搬運」而改變包裝。核心內容對比體細胞分裂與減數分裂的過程，前者旨在維持生物體的生長與修復，產生一模一樣的子細胞。後者則透過兩次分裂讓染色體數目減半，並藉由基因重組創造生命的獨特性。最後，強調這兩種分裂模式共同維護生命的穩定與遺傳的多樣性。 聽完後可以自主進行線上測驗，檢視學習成效喔~(需要登入gemini) 測驗網址 https://gemini.google.com/share/0d92f2d87587 Powered by Firstory Hosting
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2026newtalk 國中生物 單元七:細胞的影分身之術-染色體與分裂之舞
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