Hamer and colleagues discovered that homosexuality may be transmitted by genes on the __________ chromosome, which is passed from mother to son, not father to son.

According to research, the majority of gay or bisexual college men report that they first became aware of their sexual orientation during __________.

Kiersten saw her old boyfriend and her heart began to race. According to cognitive arousal theory (two-factor theory), is she happy to see him or frightened of him?

Ajay’s medically ideal weight is 250 pounds. He would be considered to be obese when and if he weighed __________ pounds.

According to Kinsey’s sexual behavior study, approximately __________ percent of men and __________ percent of women had sexual intercourse by the age of 16.

The first phase of the sexual-response cycle is __________.

Researchers have found that the __________ lobes of the brain are more active when we experience positive emotions, while the __________ lobes of the brain are more active when we experience negative emotions.

According to Kinsey, what percentage of males reported masturbating?

__________ is the optimal amount of stress that people need to promote health and well-being.

Cole has finished having sex and has lost his erection, and his scrotal sac has begun to thin again. Cole is likely to be in the __________ stage of the sexual-response cycle, according to Masters and Johnson.