The human genome is made up of about __________ thousand different genes

Martin sits up every night screaming. He does not remember these terrors, nor is he easily awakened or comforted. What should Martin's mother do? a. Wake Martin up during the attack

b. Make sure that Martin is very tired before going to bed. c. Use scheduled awakenings to briefly awaken Martin before an attack occurs. d. All of these have been demonstrated to reduce the frequency and duration of sleep terrors

Which of the following is a sex hormone?

A. Androgen B. Insulin C. Renin D. Secretin