The hybrid offspring produced by mating a member of the eastern European population of blackcaps (a bird) to a member of the western European population of the same species follow a migration route intermediate between that of their parents. This occurs even if the offspring are raised in isolation. From this information we can reasonably conclude that migration in this species __________.

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    uses the stars to determine direction
    has a genetic component
    is controlled entirely by a single gene pair
    is a purely learned behavior
    is imprinted on the birds when they are very young

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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

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