Victoria's youngest child, Beatrice, had one daughter, one normal son, and two sons with hemophilia. Beatrice's daughter, Eugenie, married King Alfonso XIII of Spain. They had six children, one of whom was the father of Juan Carlos, King of Spain. What is Juan Carlos's phenotype?
Victoria's daughter, Alice, had a daughter, Alix, who carried the defective allele into the royal Russian family when she married Tsar Nicholas II. They had four daughters and one son, Alexis. Alexis had hemophilia. The entire family was murdered during the Russian Revolution. What is the probability that one of Alexis's sisters was a carrier?
What is the probability that all four of Alexis's sisters are carriers?
If Alexis had lived and married a normal woman and they had a daughter, what is the probability that his daughter would have hemophilia?
If Alexis had lived and married a normal woman and they had a son, what is the probability that a son would have hemophilia?
Is it possible for a female to have hemophilia?
The next generation of the present British royal family--William and Harry--are carriers for hemophilia.
The sex chromosome(s) in male mammal's gametes (sperm) is/are
The sex chromosome(s) in a female mammal's gamete (egg) is/are
The half shaded in circles represents a