__________ is a field in which scientists study genetic and environmental contributions to psychological and physical traits.
A. Twin studies
B. Behavior genetics
C. Adoption design
D. Social work
Answer: B
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Traits and types are different because . . .
a. Traits are quantitatively continuous; types are qualitatively different b. Traits can be objectively measured; types are subjective opinions c. Both of the above d. Neither of the above
Which function is NOT one that pertains to glial cells?
A) digesting parts of dead neurons B) providing nutritional support to neurons C) forming myelin D) transporting neurotransmitters across the synapse
If given the opportunity to bet on a coin flip that would pay them $100 if they are right and cost them $80 if they are wrong, most people _____ take the bet because _____.
A) will; the odds are stacked in their favour B) will; the majority of people like to gamble C) will not; they will lose 50% of the time D) will not; losing $80 feels worse than does winning $100
46 XY DSD can result from a deficiency in ______ that is needed for masculinizing the external genitalia.
A. 17รก-hydroxysteroid B. aromatase C. estradiol D. estrogen