In the Hardy-Weinberg equation, p and q are
A. genotypes.
B. allele frequencies.
C. mutation rates.
D. measures of fitness.
E. phenotypes.
Answer: B
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Which of the following includes most of the bacteria that cause human disease?
a. chemoautotroph b. chemoheterotroph c. photoautotroph d. photoheterotroph e. chemoautotroph and photoheterotroph
Why is color-blindness more common in males than in females?
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In a mycorrhizal association, what is the main way that the fungus benefits?
a. by providing water to the plant b. by absorbing water from the plant c. by using the plant roots as a growth surface d. by absorbing carbohydrates from the plant