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English definition of “Y-chromosome”


noun [C]     /ˈwaɪˌkrəʊ.mə.səʊm/ US  /-ˌkroʊ.mə.soʊm/
a sex chromosome (= structure containing chemical patterns ) that exists only in male cells : If a Y-chromosome combines with an X-chromosome during fertilization , a male baby will result .GeneticsInnate and congenital
(Definition of Y-chromosome noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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