A genetic disorder caused by a mutation that fails to produce a protein that is required for normal health would be classified as
a. a toxic gain of function.
b. recessive.
c. a toxic loss of function.
d. congenital.
e. degenerative.
Answer: c. a toxic loss of function.
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Russell is conducting a study that employs naturalistic observation of teenagers at a local shopping mall food court. He is observing their "flirting" behaviors, and hypothesizes that the better clothes a teenager wears,
the more likely he or she is to be flirted with. As he makes his observations, one of his research partners notices that he does not pay attention to the teenagers who have less "nice" clothing nearly as much as he does to those kids who have a lot of trendy, fashionable clothing. Russell is falling prey to which disadvantage of naturalistic observation? a. Blind bias b. Observer bias c. Hindsight bias d. Double-blind bias
Dominick has ten brothers and sisters and shares a bedroom with two brothers. His parents take in boarders who sleep in the basement. Dominick rarely gets to spend time
alone, and sometimes wears his iPod just to block out the noise and be alone with his thoughts. Dominick is likely to have a a. greater than average chance of psychological difficulties. b. lower than average chance of experiencing adjustment problems. c. greater than average chance of school success. d. lower than average chance of relationship difficulties.