Sex-linked trait

Definition

noun, plural: sex-linked traits

A trait genetically determined by an allele located on the sex chromosome


Supplement

Since traits are sex-linked, there is usually a distinct pattern. For example, color blindness is a sex-linked trait whose allele is recessive and located on the X chromosome.

When the mother is color blind and the father is not:

  • all sons are going to be color blind
  • daughters are normal but carriers of the gene

When the father is color blind and the mother is not:

  • all sons are normal
  • all daughters are normal but carriers


Related term(s):


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 October 2011, at 09:09. This page has been accessed 184,693 times. 
What links here | Related changes | Permanent link