
除髮色膚色外,耳垢(cerumen)也有種族之分的。643Please respect copyright.PENANA2XISRLfU9f643Please respect copyright.PENANA636viLkkgc
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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,643Please respect copyright.PENANA9tRs3xQhfX
耳垢均呈乾身狀態。643Please respect copyright.PENANAtUoF8d7Mwt
然而,只有3%左右的歐洲及非洲人擁有這個乾身耳垢特質。643Please respect copyright.PENANAcCKTgIu8Zf643Please respect copyright.PENANAEHo7YQoX7m
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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。643Please respect copyright.PENANA3AuZB6uX1i
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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。643Please respect copyright.PENANA7GYuRBLoiy643Please respect copyright.PENANAgdKbWDIg79
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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。643Please respect copyright.PENANA61yQ5bLCcg
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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。643Please respect copyright.PENANARmRpMjoYFb
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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。643Please respect copyright.PENANA2CQv1vgqKM
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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。643Please respect copyright.PENANAz1QjyCKDp0
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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/1643Please respect copyright.PENANAHALY7Lo8EK
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說到尾,你的耳垢,是乾還是濕呢?643Please respect copyright.PENANACXiH34gxSZ
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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。643Please respect copyright.PENANAtcVAWTqzqk
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Link:643Please respect copyright.PENANAXf56uJM559
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio643Please respect copyright.PENANAWQgsYZTb80
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。643Please respect copyright.PENANAs7bkIykWsc
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https://www.instagram.com/potatopigtongue/643Please respect copyright.PENANA2o4IjFEVt5
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Ref1:https://www.nature.com/articles/ng1733643Please respect copyright.PENANAluqC3Ca5EG
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耳垢圖取自wiki:https://en.wikipedia.org/wiki/Earwax643Please respect copyright.PENANA6z7l6QA82W