06-09-2006, 06:55 AM
17-year-old girl has hemophilia A. Her older brother also has hemophilia A, but neither of their parents is affected. Which of the following is the most likely explanation for the development of hemophilia in this girl?
0 A) Aneuploidy
0 6) Balanced autosomal translocation
0 C) Inheritance of defective factor Vlll alleles from both parents
0 D) Skewed X-chromosome inactivation
0 E) Unequal recombination
0 A) Aneuploidy
0 6) Balanced autosomal translocation
0 C) Inheritance of defective factor Vlll alleles from both parents
0 D) Skewed X-chromosome inactivation
0 E) Unequal recombination