| 21. | They intermixed, interbred and produced offspring.
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| 22. | Encouraged by the results a number of flocks commenced selling interbred rams throughout New Zealand.
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| 23. | The data suggest that modern and archaic humans interbred in Asia before the migration to Australia.
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| 24. | The five Old World species are closely related to each and at least three have interbred.
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| 25. | This herd may have interbred with the Rocky Mountain elk which were introduced near Mount Shasta.
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| 26. | Recent DNA research had appeared to show that the two people were unrelated and had not interbred.
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| 27. | Zebu were imported to Africa over many hundreds of years, and interbred with taurine cattle there.
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| 28. | Donkeys can interbreed with other members of the family Equidae, and are commonly interbred with horses.
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| 29. | The 1960s saw three Fell pony stallions interbred with Dale mares, to help save the breed.
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| 30. | The ranges of the two species may have overlapped, and genetic evidence suggests that they interbred.
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