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Home >Reference Glossary X > X-Linked recessive trait

X-Linked recessive trait

A trait transmitted by a gene located on the x chromosome; also called sex-linked

If the father is affected and the mother is unaffected:
  • All daughters will be carriers
  • All sons will be unaffected
If the father is unaffected and the mother is a carrier:
  • One daughter out of two will be a carrier
  • One son out of two will be affected
If the father is unaffected  and the mother is affected:
  • All daughters will be carriers
  • All sons will be affected

 


 

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