There is 50% probability that their daughter's son will have the disease, because daughter chromosomes are XX , and the X from father will have x- linked disease, now in next generation the son will have XY chromosomes, Y is from father and X will from mother, now mother have two "XX", out of these two one carry x- linked disease, that means 50 percent chances of having disease in son.
Your question should have a picture in other to answer the question:)
Mmmm yes mmmm yes 7% i believe so
Tissue(interstitial)fluid
A genetic mutation. It's known as malformation. It can be caused by a trisomy in one of the alleles, or an affected gene.