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Originally Posted by Zach
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So, I’ve always been interested in my ancestry, and the furthest I can go back to actual relatives is to Turkey on my mom’s side. Sicily on my dad’s side. But I wanted to go back even further to get a glimpse of my genetic history. I have a bronze complexion, which really opened up curiosity on my part. So, I decided to go to “23andMe” where I had tests done. When my results came back, traces of Neanderthal DNA didn’t show up. Not saying there isn’t any, just pointing out that not
all non-African people carry Neanderthal DNA like you posted. The article you posted, Zach, said “most” which means the amount of Neanderthal DNA varies between individuals and populations, even among those with European or Asian ancestry, which proves my point.
And then, southern European populations, including my ancestry (Greeks and Italians), have a really diverse genetic history due to migrations and interactions with Africa, the Middle East, and other parts of Europe. So, this mixture could dilute Neanderthal DNA to levels that are harder to detect. With that, ancient Mediterranean populations experienced genetic input from Africa, where Neanderthal DNA is minimal or not present at all — the reason traces of Neanderthal DNA didn’t show up on my tests. But that doesn’t mean I don’t carry traces of it, though.
But does it really matter, Zach?
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Originally Posted by Phrozen Sands
Where’s the proof? Earth is old as hell so none of us know what took place back in the day.
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Because life on Earth evolved under specific conditions (its atmosphere, gravity, water, and biochemical processes). Alien life would have evolved under entirely different environmental factors. And then, Earth life is based on DNA/RNA as the molecule of heredity, with carbon as the backbone of its molecular structure. Alien life may not even use DNA or carbon-based chemistry, making interbreeding with Neanderthals biologically impossible. What I’m saying is that alien genetic coding would be entirely different from ours. I mean, I’m picturing some hypotheticals, lol, but I don’t see a reality in it. It’s science fiction, if anything.