On 18/02/2016 15:19, Cursitor Doom wrote:
On Thu, 18 Feb 2016 14:15:06 +0000, The Natural Philosopher wrote:

Since we are all in fact Africans originally, it does call into question
what pure blood you are in fact talking about.

Well that's the prevailing dogma, isn't it? If any evidence showed up to
contradict it, it would doubtless be buried PDQ. In fact it's probably
already happened!


Its not dogma its based on proper science.
You can find all the genetic data used if you look.
Its not like climate change where the data is cleaned up and fixed
before anyone gets to see it.