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.
By analyzing 2,811 people with ataxia, hereditary spastic paraplegia, and dystonia, scientists identified harmful variants in a gene called CD99L2 as the cause of X-linked spastic ataxia.
From Science Daily ● Jun. 13, 2026
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
When they inherit one recessive X-linked mutant allele and one dominant X-linked wild-type allele, they are carriers of the trait and are typically unaffected.
From Textbooks ● Jun. 9, 2022
Eye color in Drosophila was one of the first X-linked traits to be identified.
From Textbooks ● Jun. 9, 2022
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
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.
