Thanks Tanza :).
Well you can see that I didnt do my homework on this disease BEFORE I posted my question :o:o.
(Says this, then runs off to commence my edumacation for the day. Topic is… H.A. :))
I had a feeling that he would at least be a carrier because his father is. I'm so glad to know that he's not affect, and it's good news for his mother too.