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A sex linked dominant trait could be on the X chromosome of either parent and the phenotype of any individual carrier would be that of the dominant trait. A

father with the dominant characteristic on his single X chromosome would produce daughters that are 100% carriers and would not pass the characteristic on to his sons.

A mother who is a dominant X linked carrier would pass the dominant characteristic on to half hersons and half her daughters all of which would

show the trait phenotypically.

A sex linked recessive father would produce 100% carrier daughters. His sons

would not get the recessive allele from him.

A sex linked recessive carrier (heterozygous) mother would pass the trait on

to 50% of her children and 50% of her sons would show the recessive trait

genetics.

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