Talk:Haplogroup CT (Y-DNA)

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Haplogroup CR (Y-DNA):

The mutation is believed to have occurred 31 to 55 thousand years before present within North East Africa.

Haplogroup C (Y-DNA):

Haplogroup C seems to have come into existence shortly after M168 was introduced, probably at least 60,000 years before present.

How Can C be older than CR?

The age "31 to 55 thousand years" is certainly too young. The mutation actually very probably occured 60-70 000 years ago in an East African group of Homo sapiens that was located in a local "refugial" area. The period between 71-60 000 years ago was extremely cold and dry, which also suggest that modern people didn't leave Africa earlier than 60 000 years ago. Centrum9982.100.61.114 17:22, 29 October 2007 (UTC)