The primary male sex characteristic is the:
a) penis.
b) scrotum.
c) prostate gland.
d) All of these are primary sex characteristics.
ANS: D
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In Germany in the 1950s, the effects of teratogens gained widespread attention when pregnant women who took ____ to help them sleep gave birth to babies with deformations of their heads, legs, hands, and/or fingers. Over 7,000 babies were harmed by this drug before it was removed from the market
a. phenteramine b. aspasneet c. thalidomide d. paregoric
The first of Freud's stages of psychosexual development is called the:
A. oral stage B. anal stage C. genital stage D. undifferentiated stage
In its normal form, part of the gene that controls Huntington's disease repeats its sequence of bases ____
a. under ten times b. between approximately 11-24 times c. at least 36 times d. approximately 75 or 80 times
Which of the following r-values indicates the weakest relationship between two variables?
a. +0.45 b. -0.30 c. +0.03 d. -0.45