Select from the choices below the statement that best describes the effect of the migration of individuals into a population
a) migration of individuals into a population generally increases the genetic variability within a population
b) migration of individuals into a population generally decreases the genetic variability within a population
c) migration of individuals into a population generally causes that population to diverge to the extent that it becomes a new species
d) migration of individuals into a population generally causes no change in the genetic variability within a population because it is a case of artificial selection
e) both the first and third answer choices are correct
Ans: a) migration of individuals into a population generally increases the genetic variability within a population
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