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originally posted by: peter vlar
originally posted by: Guiltyguitarist
a reply to: Byrd
When talking about DNA 2% is practically unfathomably massive.
Our DNA is over 60% identical to bananas. Do you think we evolved from bananas?
Or let me ask this a different way. If humans evolved from apes, couldn’t humans reproduce with apes, or has nature not figured out backwards compatibility yet?
It entirely depends on what point in time you're talking about. If you're asking if modern humans in 2018 can successfully reproduce with other Great Apes, the answer is no. In tests, human sperm can only penetrate the egg of the Gibbon and there's no evidence that the egg can successfully create an embryo.
If you want to go back 5 or 6 million years, there's evidence of gene transfer back and forth after the split from Chimpanzee as our X chromosome diverged from that of Chimps roughly a million to a million and a half years after the initial divergence.
But no, after being separated by millions of years, we aren't going to be instigating any admixture with other apes. We could get away with it when encountering other members of our own genus in the past and it probably happened a lot more frequently than is currently understood considering that at one point, there were 7 or 8 species of our genus roaming the globe simultaneously. It's not a matter of backwards comparability so much as it is genetic drift over several million years.
originally posted by: LABTECH767
a reply to: Byrd
Let's be fair neither of us are expert's
even if not Atlantis it is a vast area and may once have harbored a culture but I feel it is a great candidate for Atlantis -
discounting other story's such as the AZTLAN of the Aztec's which they placed sunk in the eastern sea
or the legend's of the peoples of many islands including Britain and Ireland whom 'believed' in sunken kingdom's as well though most could simply be folk story's of an ancient tsunami type event.
originally posted by: peter vlar
a reply to: Byrd
Oh I absolutely agree. At 5-6 MA we’re talking pre Ardi. I was thinking more along the lines of Sahelanthropus Tchadensis or Orrorin Tugenesis. While we don’t have enough physical remains to know for sure their level of bipedalism it’s highly unlikely they they were more bipedal than Ardipithecus. There is some evidence from the femor and neck that implies bipedalism in Orrorin their dentition implies that they were more arboreal. It’s been a little while since I’ve looked in on new finds from that time frame so I may be a little off in regards to newer finds in Kenya that would indicate otherwise.
Regardless, the possibility of admixture with other apes is extremely implausible based on tests showing that human soerm can’t penetrate the eggs of any other Great Apes. One test indicated that human sperm could penetrate the egg of the Gibbon which is a little odd to me considering how long ago their divergence was at nearly 17 MA. But the same round of tests showed that there was no penetration of the eggs of Chimpanzee, Bonobo, Orangutan or Gorilla. So no admixture as others try to claim.
originally posted by: LABTECH767
As for the Eye of Africa you have to give it credit EVEN if your dating is correct and there was never a cataclysmic upheaval raising the altitude of the region were it is located had the region been wet enough even if this site was not occupied by human's the site does still eerily resemble the description of the Platonic Atlantis and so far it remain's the most closely resembling feature to that description of a city that I have ever seen, even down to it's dimension's at least in it's center region.
Agreed... but 5-6 million years ago, h.sapiens didn't exist. Back then we were quadrupeds (Ardipithecus) and had not even gone bipedal at that time.
originally posted by: glend
a reply to: Byrd
Agreed... but 5-6 million years ago, h.sapiens didn't exist. Back then we were quadrupeds (Ardipithecus) and had not even gone bipedal at that time.
They have found 3.7 million year old footprints in Tanzania. And 5.7 million old biped footprints in Crete. So someone was an early bloomer.
Odd, that, considering Plato is the ONLY ancient source for material on Atlantis.
originally posted by: Harte
Odd, that, considering Plato is the ONLY ancient source for material on Atlantis.
originally posted by: LABTECH767
a reply to: Harte
There were pre-platonic account's of a sunken land in the west?.
fathersergio.wordpress.com...
originally posted by: Blue Shift
originally posted by: Harte
Odd, that, considering Plato is the ONLY ancient source for material on Atlantis.
Certainly none others that mention it by that specific name. Plenty of myths and legends about unusual people arriving by the sea with information about how to track the stars and build large monuments and establish agriculture and other stuff. Also quite a few that allude to previous eras or ages of humanity that were destroyed one elemental way or another.
"Atlantis" is such a Greek-ified name. I wonder what the people who lived there called it.