X-linked
Americanadjective
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of or relating to a trait controlled by a gene or genes on the X chromosome.
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of or relating to a gene on an X chromosome.
Etymology
Origin of X-linked
First recorded in 1945–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When a gene being examined is present on the X chromosome, but not on the Y chromosome, it is said to be X-linked.
From Textbooks • Jun. 9, 2022
Genes that are present on the X but not the Y chromosome are said to be X-linked, such that males only inherit one allele for the gene, and females inherit two.
From Textbooks • Jun. 9, 2022
Because human males need to inherit only one recessive mutant X allele to be affected, X-linked disorders are disproportionately observed in males.
From Textbooks • Jun. 9, 2022
Males are said to be hemizygous, because they have only one allele for any X-linked characteristic.
From Textbooks • Jun. 9, 2022
When an abnormal allele for a gene that occurs on the X chromosome is dominant over the normal allele, the pattern is described as X-linked dominant.
From Textbooks • Jun. 19, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
