
除髮色膚色外,耳垢(cerumen)也有種族之分的。596Please respect copyright.PENANACHfXi2tPiV596Please respect copyright.PENANANbyZUyty6E
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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,596Please respect copyright.PENANAbABTcyfLAv
耳垢均呈乾身狀態。596Please respect copyright.PENANA8GUZgzKzAr
然而,只有3%左右的歐洲及非洲人擁有這個乾身耳垢特質。596Please respect copyright.PENANA6yqVAFcr1o596Please respect copyright.PENANASRUn4WOoOV
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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。596Please respect copyright.PENANAM2rr3CpLBV
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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。596Please respect copyright.PENANAXdc9gwwbXF596Please respect copyright.PENANAa4WQjqmEAE
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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。596Please respect copyright.PENANAMm6YzzDths
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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。596Please respect copyright.PENANA93omJezD6H
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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。596Please respect copyright.PENANA1boSZi5hU2
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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。596Please respect copyright.PENANAJJpWECQknG
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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/1596Please respect copyright.PENANAJfza9QpROy
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說到尾,你的耳垢,是乾還是濕呢?596Please respect copyright.PENANAuUSzp37I9k
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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。596Please respect copyright.PENANAYiY4Sggq0D
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Link:596Please respect copyright.PENANAJ48nFpHOyv
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio596Please respect copyright.PENANAgheOKo0Q4c
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。596Please respect copyright.PENANAmpSyrzwE7f
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https://www.instagram.com/potatopigtongue/596Please respect copyright.PENANAFNscqd0DiZ
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Ref1:https://www.nature.com/articles/ng1733596Please respect copyright.PENANADn5GxwvJSj
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耳垢圖取自wiki:https://en.wikipedia.org/wiki/Earwax596Please respect copyright.PENANAvZkD4KYZ9u