200,000 years is for female unbroken lines. The "mixing time" of human DNA is expected to be much shorter, with the most recent common ancestor being as little

200,000 years is for female unbroken lines. The "mixing time" of human DNA is expected to be much shorter, with the most recent common ancestor being as little as 2000-4000 years ago https://en.m.wikipedia.org/wiki/Most_recent_common_ancestor https://en.m.wikipedia.org/wiki/Most_recent_common_ancestor