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evolutionary machanism - BIOLOGY

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A flock of migrating birds is blown off course by a storm and carried towards a small island that has no birds. Only three of the birds survive the storm and make it to the island. They start to reproduce and, after several years there are 500 birds on the island. Does the genetic variation in this population of birds results from a population bottleneck or founder effect? Explain.

  • evolutionary machanism - BIOLOGY -

    2) Explain how genetic drift can lead to a reduction in the genetic variation within a population.

  • Biology -

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