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1. Africans unlike Europeans and Asians do not have anyNeanderthal DNA in their genomes. If both humans and Neanderthalsevolved in Africa, what does this result suggest about howNeanderthal DNA got into the genomes of Europeans and Asians?
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2. A genome-wide association study (GWAS) identified 37 SNPsthat correlate with ulcers from H.pylori infection. How do the Neanderthal/Denisovanvariant of the TLR genes relate to ulcers?
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3. TLR6/TLR1/TLR10 gene variants were introduced by bothNeanderthals and Denisovans into the human genome. When a person ishomozygous for the Neanderthal variant, which protein is found ingreater abundance on the cell surface than homozygotes of a humanvariant (modern copy)?