Does reproductive isolation apply to humans?

1 Answer
Jul 13, 2014

Yes in some cases. Recently, an unknown Indian tribe in South America came forward.

They seemed to have been displaced by illegal loggers and drug runners. These people were totally unknown by anyone and most likely had been forming sexual relationships within the tribe only.

http://www.uncontactedtribes.org/articles/3101-the-most-isolated-tribe-in-the-world