The relatively short-term changes in allele frequencies within a species or population is

A. neither preserves nor rejects harmful variations in a population.
B. preserves harmful variations and rejects favorable variations in a population.
C. preserves favorable and harmful variations in a population.
D. preserves favorable variations and rejects harmful variations in a population.


Answer: D. preserves favorable variations and rejects harmful variations in a population.

Biology & Microbiology

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Refuse

What will be an ideal response?

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a. hormonal b. environmental

c. genetic d. random e. learned

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A stage in embryological development which is a solid ball of cells is a 

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Biology & Microbiology