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Y chromosome

noun
🔊/ˈwaɪ krəʊməsəʊm/
🔊/ˈwaɪ krəʊməsəʊm/
 (biology生物)
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  1. a sex chromosome. In human males each cell has one X chromosome and one Y chromosome. In human females there is never a Y chromosome.Y 染色体Topics Biologyc2