A species is found to exist in one of three colors. Assuming an epistatic interaction, how many genes would be

involved?
a. zero
b. one


c. two
d. three
e. six


ANSWER: c

Biology & Microbiology

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When studying fluid and electrolyte loss during exercise, Robert Cade found that human sweat has sodium and chloride concentrations that are ______ those found in the blood.

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You would not have an autoimmune disease if you were suffering from

A. rheumatoid arthritis. B. lupus. C. Graves' disease. D. type I diabetes. E. polio.

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What event marks the end of zygotene?

a) the beginning of genetic recombination b) the end of synapsis c) the start of metaphase d) the formation of the synaptonemal complex e) the beginning of synapsis

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Why do food chains rarely have more than three or four links?

What will be an ideal response?

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