Question

Regarding cousin marriage, which of the following statements is incorrect?
a. the U.S. is the only Western country that has laws against first-cousin marriage.
b. in the U.S., 19 states permit first-cousin marriage.
c. genetic research does not show that there is marked increase in inheritable weakness for children of first cousins.
d. laws against first-cousin marriage in the U.S. were enacted the popularity of evolutionary theories.
e. in the U.S., some states have no laws prohibiting marriage between relatives.

Answer

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