Recent Examples of interbreed from the Web
The plans include measures such as controlling sea lions and other predators, eliminating barriers the fish face while traveling and reducing the effects of interbreeding with hatchery fish.
Now scientists have analyzed the oldest known human DNA in Africa to shed light on how people migrated—opening up a new field for examining patterns of migration and interbreeding in the region.
Historically, the population had low levels of interbreeding with Sumatran orangutans further north but that completely ceased 10,000 to 20,000 years ago, according to the genetic study.
Although orangutans in north and south Sumatra occasionally interbred after the lineages diverged, the Tapanuli orangutans became completely isolated by about 20,000 years ago, and the new genetic analysis shows signs of inbreeding.
Prüfer and his colleagues confirmed that the ancestors of the 122,000-year-old Altai Neandertal had also interbred with H. sapiens in a much earlier encounter that took place more than 130,000 years ago.
Escaped salmon from ocean pens compete with wild fish, and can interbreed with wild fish to yield hybrid offspring that are less fit to survive in the wild, Crabbe said.
In Massachusetts, members of the Seaconke Wampanoag tribe identified European and African heritage in their DNA, due to hundreds of years of interbreeding with New World settlers.
All indications are that this DNA originated in East Africa and came from a population that had already been interbreeding with Eurasians.
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INTERBREED Defined for English Language Learners
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