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Definition of Y chromosome noun from the Oxford Advanced Learner's Dictionary

Y chromosome

noun
 
/ˈwaɪ krəʊməsəʊm/
 
/ˈwaɪ krəʊməsəʊm/
 (biology)
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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.Topics Biologyc2
See Y chromosome in the Oxford Advanced American DictionarySee Y chromosome in the Oxford Learner's Dictionary of Academic English
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