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除髮色膚色外,耳垢(cerumen)也有種族之分的。403Please respect copyright.PENANA6VdXKt0HZh403Please respect copyright.PENANAJjcFQhfN6C
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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,403Please respect copyright.PENANAW0IxooxcGH
耳垢均呈乾身狀態。403Please respect copyright.PENANAcXhBqdKcyU
然而,只有3%左右的歐洲及非洲人擁有這個乾身耳垢特質。403Please respect copyright.PENANAdvyXd5L3e5403Please respect copyright.PENANAjUw3IzL40B
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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。403Please respect copyright.PENANAaBQmXE2ODO
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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。403Please respect copyright.PENANApOJJkJZIsW403Please respect copyright.PENANADTyhKBvlpB
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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。403Please respect copyright.PENANAI0aUWw1cle
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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。403Please respect copyright.PENANAB1BtDTNkAd
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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。403Please respect copyright.PENANA6I8BilXuay
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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。403Please respect copyright.PENANA0le4B01Rim
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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/1403Please respect copyright.PENANA7pa6ig6JgB
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說到尾,你的耳垢,是乾還是濕呢?403Please respect copyright.PENANAxnO53Gcj8P
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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/toc403Please respect copyright.PENANAHmOKZcuegP
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Link:403Please respect copyright.PENANAEgfhcrj1vN
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio403Please respect copyright.PENANA4r85UvDGLz
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。403Please respect copyright.PENANAVxyRrPho4s
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https://www.instagram.com/potatopigtongue/403Please respect copyright.PENANAOmIgV8Smn6
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Ref1:https://www.nature.com/articles/ng1733403Please respect copyright.PENANAh22VWIZV1t
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耳垢圖取自wiki:https://en.wikipedia.org/wiki/Earwax403Please respect copyright.PENANAKYuqIHr5DI