7. Consider the following two couples:
a. Both partners look alike: they have square faces, cleft chins, curly hair, fine eyebrows.
b. Both partners look alike: they have round faces, no cleft chin, wavy hair, bushy
eyebrows. Based on the information in Figures 2.1 and 3.1, which couple would be more
likely to have offspring that had different characteristics from each other? Explain.