Dizygotic twins
a. are referred to as identical twins. c. develop when two ova are fertilized.
b. demonstrate differences that are solely the result of nurture. d. share 100% of their genes.
C
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Some nights Chang has problems falling asleep. Other nights, he wakes up several times during the night and has difficulty returning to sleep. Chang likely suffers from which sleep disorder?
a. insomnia b. nightmare disorder c. narcolepsy d. sleepwalking e. sleep apnea
Behavioral genetics is a(n) __________
A) medical procedure that permits detection of developmental problems before birth B) ambitious international research program aimed at deciphering genomes C) field devoted to uncovering the contributions of nature and nurture to human diversity D) biochemical process triggered by certain experiences that alter gene expression
Generally speaking, parents should feel comfortable allowing even young children to watch cartoons on television because they contain little violence or stereotyped images
Indicate whether the statement is true or false
Don suddenly quit his job, enrolled in law school for day classes, took on a job waiting tables
at night, and began organizing charity drives on weekends. He also began work on his "great American novel" and offered to coach a little league team in his "spare time." His behavior is typical of someone having a ______. a. hypomanic episode c. cyclothymic episode b. dysthymic episode d. manic episode