In ____, genes at one locus mask the effect of genes at another locus

a. incomplete dominance
b. codominance
c. epistasis
d. polygenic inheritance
e. pleiotropy


ANSWER: c

Biology & Microbiology

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The unusual ability for ________ being flagellated and motile enables ________

A) ascospores / dispersal in aquatic systems B) ascospores / spreading of pathogens in blood C) zoospores / dispersal in aquatic systems D) zoospores / spreading of pathogens in blood

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You have been assigned to address a problem of overpopulation of species X in a nearby county. One of the members of your team suggests introducing species Y, which is a natural predator of species X, but not normally found in the area. After some discussion, you go ahead and introduce species Y. What aspects of the hierarchical organization may be affected within a period of a several years?

A. organism, population, species B. population, species, community C. population, community D. population, species, community, biosphere

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How often must the competency of laboratory staff be evaluated

A. After 6 months of employment and annually thereafter B. Anually C. Every three months for the 1st year and anually thereafter D. in the first three months after hire

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Hormones secreted by endocrine glands belong to all the following chemical categories except

A. glycoproteins. B. steroids. C. polypeptides. D. amines. E. carbohydrates.

Biology & Microbiology