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
No, males cannot be the carriers of red-green color blindness, as color blindness is X-linked.
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
Figure 12.13 The son of a woman who is a carrier of a recessive X-linked disorder will have a 50 percent chance of being affected.
From Textbooks • Jun. 9, 2022
These females will pass the disease to half of their sons and will pass carrier status to half of their daughters; therefore, X-linked traits appear more frequently in males than females.
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.
