First of all, hemophilia is an x-linked recessive and recessive disease. So it's a genetic disease.
- Therefore, there is no possibility of snatching it from his son. It can come from mom or dad. If the mother and father do not have this disease, as in the question, the mother carries this disease recessively. If it was a girl, she would be less likely to get the disease, as she would have to inherit the genotype of this disease from both the mother and the father. however, since her children are boys, she received the disease gene from the mother's recessive gene region. Therefore, the boy has hemophilia in the XhY genotype.
Answer:
I think the answer is parent one has to dominant off string since it looks more like them since they might they might have better geans
the difference between a compound light and a transmission microscope (transmission electron microscope or TEM for short) is that the latter uses magnetic lenses.