How are the small, remote settlements of the world (i.e. upper Greenland, Nunavut, Pitcairn Island, Tristan de Cunha) able to avoid a completely incestuous population?

Question

How are the small, remote settlements of the world (i.e. upper Greenland, Nunavut, Pitcairn Island, Tristan de Cunha) able to avoid a completely incestuous population?

In: 138

Answer 1

Frankly, its mostly by each person making sure they don’t share any grandparents or great-grandparents with their significant other.

Iceland actually has an app to help people avoid this. The motto of the app is “Bump the app before you bump in bed.”