X-linked dominant inheritance: Difference between revisions

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Inheritance: expansion
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As the X chromosome is one of the [[sex chromosome]]s (the other being the [[Y chromosome]]), X-linked
inheritance is determined by the [[gender]] of the parent carrying a specific gene and can often seem complex. This is due to the fact that, typically, [[female]]s have two copies of the X-chromosome, while [[male]]s have only one copy. The difference between [[Dominance (genetics)#Dominant trait|dominant]] and [[Dominance (genetics)#Recessive|recessive]] inheritance patterns also plays a role in determining the chances of a child inheriting an X-linked disorder from their parentage.
 
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In X-linked dominant inheritance, when the mother alone is the [[genetic carrier|carrier]] of a mutated, or defective gene associated with a disease or disorder; she herself will have the disorder. Her children will inherit the disorder as follows: