Which of the following biological changes occurs in the brain during adolescence?

Which of the following pairs of individuals shows the highest correlation in IQ scores?

a. an adoptive parent and child b. a biological parent and child c. monozygotic twins reared together d. biological siblings reared together

According to the text, which is the BEST suggestion with regard to parental discussions and puberty?

A) Dads should make more effort to talk about the changes with their sons. B) Moms should make more effort to talk about the changes with their sons. C) Dads should make more efforts to talk about the changes with their daughters. D) Parents should wait to talk about the changes until after puberty begins.