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Biology, 31.01.2020 20:45 mexicanvanilla

Which of the definitions below best defines a mutation?
a. a change in a cell's genetic material
b. the infectious agent that causes disease
c. a substance that increases in concentration with trophic level
d. the influence of human beings on nature

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Which of the definitions below best defines a mutation?
a. a change in a cell's genetic mate...
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