X-linked
Americanadjective
-
of or relating to a trait controlled by a gene or genes on the X chromosome.
-
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
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
No, males cannot be the carriers of red-green color blindness, as color blindness is X-linked.
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, in that they have only one allele for any X-linked characteristic.
From Textbooks ● Apr. 25, 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.
