Read each example and decide what the resulting effect on the gene pool of that population would be.
A zebra migrates to join a different herd of zebras.
Competition for sunlight leads to taller trees.
The DNA of a snake changes to make its venom stronger.
A grassfire randomly sweeps through a population of buffalo and kills most of the animals.
creates new alleles from DNA
brings new alleles from other populations
randomly selects alleles
favors certain alleles
Answers: 3
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Read each example and decide what the resulting effect on the gene pool of that population would be....
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