Anonymous asked in Social ScienceAnthropology · 2 months ago

Are we not pure humans since Homo sapiens interbred with Neanderthals?

6 Answers

  • 1 month ago

    Humans have never been pure... there has always been a lot of mixing (besides, how do you define "pure" from a biological point of view?).

    The species you list are all human.

  • 2 months ago

    Sapiens, Denisovans, Neanderthalensis, Heidelbergensis, and probably many more, are all human in the same way Basenji, Bankhar, Alsatians and Shih Tzu are all dogs. Regardless of interbreeding we are all still purely human.

  • 2 months ago

    I was told Africans are most likely the outcome of the Neanderthal genome  

  • Anonymous
    2 months ago

    The claim that humans interbred with Neanderthals is not proven by irrefutable evidence in the form of either Mitochondrial DNA or Y-Chromosome DNA evidence. Not a single modern human has ever been found with either Neanderthal Y chromosome or mitochondrial DNA. Not one. That means the DNA that is supposedly shared between some modern humans and Neanderthals may well be the result of contamination of Neanderthal remains by modern humans, or it may be incomplete lineage sorting. 

    Incomplete lineage sorting means that some genes shared by Neanderthals and Europeans may have been lost in, say, Africans. Although the chimp and gorilla are more closely related to humans, there are some genes that humans share with orangutans that are not found in chimps and gorillas. Those are ancient genes that have been lost through evolution in chimps and gorillas, but they are retained by orangutans and humans. It does not mean that humans interbred with orangutans or that humans are more closely related to orangutans than to chimps and gorillas. Until mitochondrial DNA or Y chromosome DNA of Neanderthals have been discovered in some modern humans, it is a leap to claim that there was interbreeding. 

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  • Zirp
    Lv 7
    2 months ago

    the word "pure" as you are using it here is meaningless.

    All humans share a huge bunch of ancestors. We merely inherited different mutations from different ancestors. When you make a baby, baby gets half of your chromosomes. Luck of the draw decides which ones

  • Anonymous
    2 months ago

    Most mammals have light skin that is covered by fur, and biologists believe that EARLY HUMAN ANCESTORS started out this way also. Dark skin probably evolved after humans lost their body fur, because the naked skin was vulnerable to the strong UV radiation. We all came from pale skinned Africans. Lucy had pale skin under her body hair. So did H.Erectus, Denisovans and Neanderthals. We all came from pale skinned Africans.


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