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Author Topic:   Quick question regarding Neanderthals and genetic relation
CosmicAtheist
Member (Idle past 2969 days)
Posts: 31
From: Washington, USA
Joined: 04-07-2010


Message 1 of 4 (561519)
05-21-2010 2:45 AM


I was reading the Neanderthal wiki out of curiosity of this interesting species and came across this.

quote:
Preliminary DNA sequencing from a 38,000-year-old bone fragment of a femur found at Vindija Cave, Croatia, in 1980 showed that Homo neanderthalensis and Homo sapiens share about 99.5% of their DNA

Now I am not quite sure but aren't there humans within our own populations that are more diverse DNA wise with other humans than we are to the Neanderthals? If so, how can we so different within our own populations to that of a different species? Sorry, genetics is not my stronghold. So I was curious to better understand this. I may be and probably am completely off.

Edited by CosmicAtheist, : No reason given.


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 Message 3 by misha, posted 05-21-2010 9:01 AM CosmicAtheist has not yet responded
 Message 4 by AZPaul3, posted 05-21-2010 9:09 AM CosmicAtheist has not yet responded

  
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Message 2 of 4 (561545)
05-21-2010 8:23 AM


Thread Copied from Proposed New Topics Forum
Thread copied here from the Quick question regarding Neanderthals and genetic relation thread in the Proposed New Topics forum.
    
misha
Member (Idle past 2706 days)
Posts: 69
From: Atlanta
Joined: 02-04-2010


Message 3 of 4 (561550)
05-21-2010 9:01 AM
Reply to: Message 1 by CosmicAtheist
05-21-2010 2:45 AM


I'm not completely sure. But i believe the 99.5% refers to similarities in gene location on the genome. The allele combinations that humans carry is different than neanderthals but the location of the genes within the DNA is 99.5% similar.

I don't believe that they are saying that humans and neanderthals have 99.5% of the same basepair sequence.


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AZPaul3
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Posts: 3814
From: Phoenix
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Message 4 of 4 (561552)
05-21-2010 9:09 AM
Reply to: Message 1 by CosmicAtheist
05-21-2010 2:45 AM


On average humans experience about 0.5% in SNP and Copy Number variation among their genomes. Same as your source cited for Neander differences with modern Sapiens.
source

Latest sequence studies indicate that Neader and Sapiens may indeed have had considerable interbreeding.
source

So the GEICO Caveman may not be a distant relative but a brother.


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