To: blam
Homo sapiens , of course, arrived in the Andaman islands much later than 73,000 years ago. Recent genetic work (Endicott et al. 2003) has dated the coalescent process of the mtDNA lineage M2 of haplogroup M of the Andamanese Negrito people to 63,000 +/- 6,000 years ago and the Andamanese M4 lineage to 32,000+/-7,500 years. These dates do not tell us when the ancestral Andamanese actually reached the islands. They must have survived the YTT event somewhere on the mainland of Asia, Sundaland upwind from Toba, or Africa. The Negrito are thought to have been the earliest modern Homo sapiens to reach (or survive Toba in) Asia. They settled the Andaman islands either after the coalescence of the genetic M4 lineage or the coalescence took place somewhere on the Asian mainland with colonization of the islands following later. Whether there have ever been Negritos in the Nicobars is unknown but is now thought unlikely on genetic grounds. The islands were settled relatively recently (some few thousand years ago) by Mon-Khmer speaking Mongolid people, mostly from mainland Asia with some lesser components from Indonesian groups. Oopsie. You have two scientists, you get three opinions.
9 posted on
04/25/2005 6:06:15 PM PDT by
pabianice
To: pabianice
Oopsie. You have two scientists, you get three opinions.Appearantly there's lots of room for conjecture.
Here's another approach:
13 posted on
04/25/2005 6:41:00 PM PDT by
expat_panama
(no more tag lines)
To: pabianice
17 posted on
04/25/2005 7:22:05 PM PDT by
blam
To: pabianice
Oopsie. You have two scientists, you get three opinions.So, what exactly are you referring to?
28 posted on
04/26/2005 4:38:52 AM PDT by
AntiGuv
(™)
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