Samir and Zainab Have Six Children, Three Boys and Three

Samir and Zainab have six children, three boys and three girls. According to Michael Messner's research, the parents are:

A) more likely to notice similarities in the boys and the girls
B) more likely to notice the differences between the boys and the girls
C) equally likely to notice similarities and differences in boys and girls
D) more likely to notice similarities in the boys only