Heritability refers to and is a measure of:
A. the extent to which a trait is passed from
parent to offspring.
B. the proportion of a trait that is determined
by genes rather than by the environment.
C. the proportion of total variation in a trait
that is due to genetic differences among
individuals within a population.
D. the extent to which a trait exhibits
regression toward the mean in a population.
E. the norm of reaction of a trait.
C
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Personalized medicine refers to the idea of:
A. using a patient's individual genotype to dictate treatment for a given disease. B. using a patient's individual lifestyle and other risk factors to dictate treatment for a given disease. C. using a combination of a patient's lifestyle and gentoype to dictate treatment for a given disease. D. basing treatment on an individual's longterm medical history. E. using a combination of a patient's lifestyle, genotype, and long-term medical history to dictate treatment for a given disease.
Which of the following is a primary consumer?
a. cow b. dog c. hawk d. fox e. snake
What was the first disease shown to be bacterial in origin?
A) yellow fever B) cholera C) anthrax D) malaria E) tuberculosis
Which of the following best explains the differences between the HIV within-host and population phylogenies shown below?
a. The within-host environment results in higher HIV mutation rates. b. There is very little cross-resistance for HIV strains from different host individuals. c. Infections of new hosts are rare in sexually transmitted diseases like HIV. d. The population size of hosts is much smaller than the number of viruses in a single patient.