How Much of Modern Europeans' DNA is Neandertal

Question

How much of modern Europeans' DNA is Neandertal?
A) about 5%
B) about 4%
C) about 3%
D) about 2%

Accepted Answer

Modern Europeans, along with Asians, have about 2% Neandertal DNA, a result of interbreeding between early Homo sapiens and Neandertals tens of thousands of years ago.