/sci/ - Science & Math

I would like some help figuring out what the name of a particular genetic disease. From what I know it causes mental retardation in boys but does not affect girls, although girls can carry it. I have heard conflicting accounts that both the father and mother need to pass it on for the boy to be retarded, but I have reason to believe only one parent needs to pass it on.

Apparently it's rare, and of course it's not guaranteed someone who has it that has a son will pass it on, but it seems to be much more common that the boy is retarded than isn't.

I don't believe it's fragile X, because the family members got tested and had no issues having girls and there is no instance of a girl being retarded in three generations.

I would like some help figuring out what the name of a particular genetic disease. From what I know it causes mental retardation in boys but does not affect girls, although girls can carry it. I have heard conflicting accounts that both the father and mother need to pass it on for the boy to be retarded, but I have reason to believe only one parent needs to pass it on.

Apparently it's rare, and of course it's not guaranteed someone who has it that has a son will pass it on, but it seems to be much more common that the boy is retarded than isn't.