Which of the Following Is the Best Example of Gender

Multiple Choice

Which of the following is the best example of gender differences in child development?

A) Separate bones of the wrist appear earlier in boys than in girls giving them better hand manipulation skills.
B) In humans and primates, male and female infants display similar preferences for rough-and-tumble play during the first two years of life.
C) Boys surpass girls in physical development up until age two.
D) Boys across all cultures are more likely to suffer from developmental delays, are less healthy, and have higher mortality rates than girls.