They arrived in Greenland during the last millennium. Paleo-Inuit peoples have been in the Americas for probably around 5000 years. The previous indigenous peop

They arrived in Greenland during the last millennium. Paleo-Inuit peoples have been in the Americas for probably around 5000 years. The previous indigenous people you're talking about were earlier branches of the same "family". Moreover, this particular mutation is known to be common in Arctic peoples as a whole, not just Greenlandic Inuit.