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2 answers

If her father has hemophilia, she has 50% chance of having hemophilia.
If her father does not have hemophelia, she will not have hemophilia, but will have a 50% chance of being a carrier.

Her brothers will have 50% chance of having hemophilia whether or not the father has the gene.

Hemophilia is x-linked, so males need only to inherit a single x-chromosome with the gene from their mother in order to have hemophilia. Girls need to inherit the hemophilia gene from both parents in order to have hemophilia. So the only way a girl can get hemophilia is if her father has hemophilia, and her mother is either a carrier or has hemophilia herself.

2007-03-21 10:56:11 · answer #1 · answered by Skysong 3 · 1 0

its heterozygous what do you think remember the gene can run in the father but never be activate in him becuase he's a guy then you would have to be for sure what your parents are.

2007-03-21 10:59:46 · answer #2 · answered by Britanie 3 · 0 2

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