4. a new species forms because of the formation of a mountain that divides one population into
two. what type of speciation is this?
5. the bell curve in polygenic traits is becoming narrower over time. what type of selection is
occurring?
6. what are the five conditions impacting the hardy-weinberg equilibrium?
7. how does natural selection impact single-gene traits?
8. what does the allele frequency have to total in the hardy-weinberg equilibrium?
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