| 21. | Mitochondrial DNA provides evidence of restricted gene flow between different colonies, strongly suggesting philopatry.
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| 22. | Bidirectional gene flow between domestic and wild reindeer continues today.
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| 23. | Gene flow appears to be biased towards males, but overall populations are matrilineally structured.
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| 24. | Speciation requires a degree of reproductive isolation that is, a reduction in gene flow.
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| 25. | Thus genetic variance remains in populations through gene flow across environments or generation overlap.
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| 26. | The gene flow between Tai Kadai and populations of other ethnic groups are noticeable.
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| 27. | Gene flow occurs when genes migrate from one strain to another by unintended pollination.
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| 28. | But a little gene flow is not necessarily a problem.
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| 29. | In addition to that there is a significant amount of gene flow which inhibits speciation.
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| 30. | Human selection for domestic traits is not affected by later gene flow from wild boar.
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