View source for X-linked

= X-Linked =

An X-linked [[Gene|gene]] is a[[Gene|gene]] which is coded for on the X [[Chromosome|chromosome]]. [[Mutations|Mutations]] of said [[Gene|gene]] are therefore more likely to be presented in males as males have only one copy of the gene.

Patterns of [[Inheritance|inheritance]] in X-linked diseases are complicated by the fact that fathers always pass their X [[Chromosome|chromosome]] to their daughters where-as mothers pass the X [[Chromosome|chromosome]] to daughters and sons equally.

Colourblindness is an example of an X-linked recessive disease. Which is much more prevelent in males.