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单词 y chromosome
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈY ˌchro•mo•some,  n. [countable]
  1. Geneticsa sex chromosome of humans and most mammals that is present only in males and is paired with anXchromosome. Compare X chromosome.

WordReference Random House Unabridged Dictionary of American English © 2024
Y chromosome, [Genetics.]
  1. Geneticsa sex chromosome of humans and most mammals that is present only in males and is paired with anXchromosome. Cf. X chromosome. 
  • 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
Y-chromosome n
  1. the sex chromosome that occurs as one of a pair with the X-chromosome in the diploid cells of the males of many animals, including humans
    Compare X-chromosome
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