A period of illness is immediately followed by a(n)
A) period of decline
B) incubation period
C) prodromal period
D) period of convalescence
Ans: A) period of decline
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Which trait is polygenic in humans?
A. sickle-cell disease B. blood type C. cystic fibrosis D. height
Which of the following statements is false?
a. some mutations may be beneficial b. some mutations may be harmful c. some mutations may be neutral d. mutations are an important part of evolution e. all mutations are harmful
In Tilman's experiments with diatoms, what was the outcome when the two species competed for silica?
A) Both coexisted. B) Both survived several years but one eventually won out. C) One outcompeted the other to extinction. D) Both died.
What was Carrie Buck’s significance in the history of genetics?
A. She was a famous advocate for eugenics. B. She became the first woman geneticist. C. She was sterilized after the US Supreme Court determined she was feebleminded. D. She discovered how to genetically modify corn to be resistant to herbicides. E. She is the author of the first biography of Gregor Mendel.