adjective Genetics.
  1. (of a gene) located in a sex chromosome.
  2. (of a character) determined by a gene located in a sex chromosome.

Origin of sex-linked

First recorded in 1910–15
Related formsnon·sex·linked, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sex-linked

Historical Examples of sex-linked

sex-linked in Medicine


  1. Carried by a sex chromosome, especially an X-chromosome. Used of genes.
  2. Sexually determined. Used especially of inherited traits.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sex-linked in Science


  1. Relating to a gene carried on, or a trait transmitted by, a sex chromosome. Color blindness and hemophilia in humans are sex-linked traits.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.