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单词 x chromosome
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈX ˌchro•mo•some, n. [countable]
  1. Geneticsa sex chromosome of humans and most mammals that determines femaleness when paired with anotherXchromosome and that occurs singly in males. Compare Y chromosome.

WordReference Random House Unabridged Dictionary of American English © 2024
X chromosome, [Genetics.]
  1. Geneticsa sex chromosome of humans and most mammals that determines femaleness when paired with anotherXchromosome and that occurs singly in males. Cf. Y chromosome. 
  • 1910–15

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