Height is influenced by an estimated 10 genes

What is the purpose of a twin study?

a. to tell us if twins siblings get along better than non-twin siblings b. to help us understand the influence of genetics and environment on personality c. to aid in our understanding of monozygotic twin feelings of attachment d. to conduct two studies at once and compare results

When surveys ask people about their sexual orientation, which of the following strongly influences the results?

a. The season of the year b. The gender of the person asking the question c. The phrasing of the question d. The time of day