If mate selection were random:
a. African Americans would be more likely to marry whites than other African Americans.
b. upper-class people would be even less likely to marry lower-class people.
c. inter-religious marriages would not exist.
d. divorce rates would be much higher.
e. marriage would be more inter-religious.
Question 2
The United States population pyramid qualifies as because, except for the oldest categories, each cohort is roughly the same size.
a. expansive
b. constrictive
c. stationary
d. triangular
Disruptive selection.
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Random X inactivation in female placental mammals