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Blue eyes is a more recent mutation [1]. Blonde hair has appeared independently several times [2].

[1] http://www.sciencedaily.com/releases/2008/01/080130170343.ht...

[2] http://www.nytimes.com/2012/05/08/science/another-genetic-qu...

As a Scot I might be a bit touchy about this (Scots have the highest proportion of redheads and I carry the gene even though my hair and eyes are very dark):

"A DNA study has concluded that some Neanderthals also had red hair, although the mutation responsible for this differs from that which causes red hair in modern humans."

http://en.wikipedia.org/wiki/Red_hair#Origins

...where do you have that "understanding" from?! Are there any actual information about the 'Homo sapiens sapiens' <-> 'Homo sapiens neanderthalensis' contact and relationship or are you just spreading someone's wild guesses?

Most Europeans have Neanderthal genes.

http://dienekes.blogspot.com/2014/04/neandertals-gave-europe...