除髮色膚色外,耳垢(cerumen)也有種族之分的。393Please respect copyright.PENANAKgDjXXKIXU
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(圖2)有研究指出(Ref1),80-95%的東亞地區人,30-50%的南亞、北美人,393Please respect copyright.PENANA7gHQYzm2P2
耳垢均呈乾身狀態。393Please respect copyright.PENANAfLS15k2unQ
然而,只有3%左右的歐洲及非洲人擁有這個乾身耳垢特質。393Please respect copyright.PENANAmtMIQz1DF7
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經一輪比對後,科學家認為共有四條基因對耳垢到底是濕是乾有著重大的影響力,分別為ABCC12, ABCC11, LONPL and SIAH1。393Please respect copyright.PENANAzy6FknlNAG
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(圖3)研究中的126名日本人,有88名乾身耳垢人士,38名濕身耳垢人士。393Please respect copyright.PENANATexKu86zrS
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乾身耳垢88人之中,87人兩條ABCC11基因某個區域均為AA英文字母。393Please respect copyright.PENANAJg3ZDjLMSO
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而濕身耳垢38人之中,兩條ABCC11基因某個區域均為GG英文字母,又或者是一條基因為A,一條基因為G。393Please respect copyright.PENANABRc3yONyaa
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其後科學家亦證實,該基因區域的英文字母,將對ABCC11蛋白質的功用有著重大的影響。393Please respect copyright.PENANAe6fKcydvgi
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耳垢是濕是乾,對健康有沒有影響暫時尚未清楚。現今開始亦有研究嘗試透過檢測耳垢的狀況來判斷人體的健康狀況,處於初步及有爭論性的階段之中。393Please respect copyright.PENANAmH1iFWf1Lu
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各種族的ABCC11基因變異情況,可參閱這圖表:https://www.nature.com/articles/ng1733/tables/1393Please respect copyright.PENANAoUNBmJphpf
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說到尾,你的耳垢,是乾還是濕呢?393Please respect copyright.PENANADmZKa9C9qe
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如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。393Please respect copyright.PENANAbEaWnXxM2O
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc393Please respect copyright.PENANA4SgpZJlDNd
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。393Please respect copyright.PENANA3ENQkHcMwY
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Link:393Please respect copyright.PENANAtk0YZJA9Nk
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio393Please respect copyright.PENANAMC6fHcZNag
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。393Please respect copyright.PENANAT76ALRPatP
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https://www.instagram.com/potatopigtongue/393Please respect copyright.PENANAAGYCvXK764
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Ref1:https://www.nature.com/articles/ng1733393Please respect copyright.PENANAdCSg2Y64sE
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耳垢圖取自wiki:https://en.wikipedia.org/wiki/Earwax393Please respect copyright.PENANAqV9yhqFd3s