"Thus DNA sequences shared with parents are the longest, those shared with grandparents are half as long and those shared with great-grandparents half as long again and so on.
"So the longer ago an ancestor is, the shorter the chunk is likely to be."
This lends support to Chang's calculation that by expanding his model from living Europeans to everyone alive on Earth, an all-ancestor generation would have occurred some 3,400 years ago.Bit queaesy about that number, as it doesn't take into acount hard geographical boundaries that can keep populations apart for quite some time.
This lends support to Chang's calculation that by expanding his model from living Europeans to everyone alive on Earth, an all-ancestor generation would have occurred some 3,400 years ago.
Sean_W
Aug 8, 2013What about the separation of New World and Old World?