E-PILOT 霹靂貓系列-貓的印象派畫作:三花貓 episode artwork

EPISODE · Jan 9, 2026 · 13 MIN

E-PILOT 霹靂貓系列-貓的印象派畫作:三花貓

from 雷比特生物空中講 · host 雷比特老師

深入淺出地解釋三花貓(Calico)毛色遺傳的複雜機制,將其比喻為「上帝的印象派畫作」。首先從招財貓文化引入,指出三花貓的毛色是生物學上的表型而非品種,並解釋黑、橘兩色由X染色體上的 O基因控制,其中最新的科學突破(2024年)確認了 O 基因實為 Arhgap36 基因附近的一段缺失所致。核心機制在於里昂假說(Lyon Hypothesis)所闡述的 X 染色體去活化,這種隨機的「擲硬幣遊戲」決定了母貓身上黑橘斑塊的鑲嵌分佈。此外,第三種顏色「白色」則由白斑基因(S locus)控制,與色素細胞的遷徙有關。最後解釋雄性三花貓極為稀有的原因,幾乎都是因為柯林菲特氏症候群(XXY)所致,且多為不育。 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/38437d45db1e Powered by Firstory Hosting

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E-PILOT 霹靂貓系列-貓的印象派畫作:三花貓

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