Which of the following BEST summarizes the research conducted into the causes of sexual orientation?
A) While many studies have been conducted, it is still unclear as to what determines sexual orientation.
B) The large majority of studies indicate that sexual orientation has an entirely biological basis.
C) The majority of studies support the theory that sexual orientation is learned.
D) The majority of studies support the theory that sexual orientation is a choice.
Question 2
Which of the following is true regarding the relationship between sexual orientation and having older siblings?
A) Research consistently finds a strong relationship between having older siblings and being a gay male.
B) Research consistently finds a strong relationship between having older siblings and being lesbian, but no such relationship has been found for gay males.
C) People with older siblings are significantly more likely to be heterosexual than gay or lesbian.
D) Some studies have found a relationship between having older siblings and being a gay male, although other studies have not.
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