Anormal man marries a normal woman known to carry the hemophilia gene. hemophilia will likely occur in what percentage of their male children?
a. normal man and women whose father has hemophilia
b. hemophiliac man and homozygous normal woman
c. hemophilia man and normal woman with hemophiliac father
d. hemophilia woman and normal man

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.