X chromosome

noun

Definition of X chromosome

: a sex chromosome that usually occurs paired in each female cell and single in each male cell in species in which the male typically has two unlike sex chromosomes — compare y chromosome

First Known Use of X chromosome

1911, in the meaning defined above

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Time Traveler for X chromosome

Time Traveler

The first known use of X chromosome was in 1911

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Cite this Entry

“X chromosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/X%20chromosome. Accessed 15 Jun. 2021.

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More Definitions for X chromosome

X chromosome

noun

English Language Learners Definition of X chromosome

: a type of chromosome that is found in pairs in the cells of female mammals and is found with the Y chromosome in the cells of male mammals

X chromosome

noun

Medical Definition of X chromosome

: a sex chromosome that usually occurs paired in each female cell and single in each male cell in species in which the male typically has two unlike sex chromosomes — compare y chromosome

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