In a mainland bird population, most individuals are black in color, and gray is a rare variation. A small group of these birds is carried by strong winds to a distant island, where they establish a new population. After a few generations, the gray phenotype is very common. What is most likely to be responsible for this?

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    genetic drift
    natural selection
    nonrandom mating
    gene flow

asked May 30, 2013 in Biology by anonymous

1 Answer

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genetic drift
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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