Why didn't the two sons of queen victoria (alfred and arthur) display hemophilia? (refer to pedigree chart)

a.) because they are only carrying one recessive gene (b)
b.) because their father did not have the trait
c.) because they received the dominant gene "y" from their father
d.) because they did not receive the recessive gene (x^b) from their mother.

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

what are the options

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?