One Study Compared the Health of Children Born of Familial

One study compared the health of children born of familial incest with children of the same mother born of nonincestuous unions and found that __________.

A) the incestuous group had much higher rates of genetic abnormalities than the nonincestuous group
B) both groups of children had high rates of genetic abnormalities
C) the nonincestuous group had much higher rates of genetic abnormalities than the incestuous group
D) neither group of children had high rates of genetic abnormalities