Past genetic studies have set out to verify whether interbreeding between Sapiens and Neanderthals took place. These findings showed that the genetic makeup of ‘Modern Humans’ (Homo Sapien Sapiens) is 4% inherited from this Neanderthal interbreeding, with just one exception – the Sub-Saharan African population, who because of many complex reasons did not travel ‘out of Africa’ with their relations some 50,000 years ago. Their genetic makeup varies from between 0 to just 1% of Neanderthal DNA (probably due to recent intermigration) – (Variation of the Species).
However, the above studies are in conflict with recent findings reported in Nature Magazine in 2015. These findings appear to indicate an even greater percentage of our genes belong to our Neanderthal cousins. Qiaomei Fu, a palaeogenomicist at Harvard Medical School in Boston, Massachusetts, told meeting members how she and her colleagues had sequenced DNA from a 40,000-year-old jawbone that represents some of the earliest modern-human remains in Europe. They estimate that 5 –11 percent of the bone’s genome is Neanderthal. Interestingly, the Neanderthal elements of the genome structure contained large chunks of several chromosomes. Further genetic analysis showed that the individual was a man. Using the theory that lengths of DNA inherited from any one ancestor shorten with each generation; the team estimated that the man had a Neanderthal ancestor in the previous four to six generations.
The interbreeding between Sapiens and Neanderthals probably led to descendants carrying a ‘Mitochondrial DNA’ (mtDNA) inherited exclusively from the mother. Therefore (in theory) we should be able to find in the population today this Neanderthal (mtDNA) group. Sadly, this (mtDNA) group, to date, has never been found. Consequently, the natural conclusion to this lack of evidence is to suggest that the hybrids must only have come from Sapien Mothers with Neanderthal fathers. However, this theory is not without complications. If this is the case it seems to contradict the existing perceived history of the two species meeting and only the Sapiens surviving as they could ‘out think’ their Neanderthal cousins, to obtain sufficient limited food supplies (due to the ice age) for survival.
If the Neanderthal males were taking Homo Sapien women by creating relationships (or gang raping against their will, as some suggest) this would lead us to conclude that the Neanderthals were more assertive and dominating that their Sapien counterparts – they clearly were physically larger (nearly twice as large) so if they were aggressive enough to take Sapien women, could they not also take their food? – The harsh reality is that the Neanderthals died out and Sapiens and moreover, their interbred off-spring the Homo Superior (Cro-Magnons) survived. (Variation of the Species).
So is there another explanation or is this perception of history completely unbalanced?
If we look at the probabilities and how (mtDNA) lines can disappear, we find that it’s not only because of ‘natural selection’ or that the people carrying the (mtDNA) lines don’t reproduce – but because of a random statistical effect. If a Neanderthal female and a Sapien male mate, she could, in time, have fifty living descendants, all carrying a fraction of her DNA. However, her (mtDNA) can disappear completely as it carries through the female line. Consider this example. If a Neanderthal female who carries the (mtDNA) line has five sons and two daughters, but those two daughters have only sons and no daughters this would result in the end of the (mtDNA) line. In a stable population, one where each reproducing female leaves exactly two reproducing children, 90% of the original (mtDNA) lines will be broken in just 34 generations, as some of these families will have just boys, and that’s in less than 1,000 years. So if you start with 1,000 female Neanderthals in a mixed population, less than 100 Neanderthal (mtDNA) lines will survive after 1.000 years – after another 1.000 years, less than 10 – after yet another 1.000 years… gone forever. This is then further influenced by the belief that ancient civilisations will favour the male species and commit infanticide in order to reduce the female heirs when community resources are limited and hunting is a matter of survival.
Moreover, you can do the same type of calculation regarding Neanderthal Y chromosome lines. If Neanderthals were a small minority of our common ancestors, it is extremely unlikely that any two Neanderthal genes would survive after 30,000 years. In effect, (mtDNA) and the Y chromosome are inherited as just one gene, since they’re inherited in one piece, therefore, we don’t have to construct intricate theories of marriage customs or patterns of reproduction in order to explain the lack of Neanderthal (mtDNA) or Neanderthal Y chromosomes today; we only have to do some reasonable maths and realise that single sex children in families break the linkage.
However, it is far more probable that ‘Modern Humans’ are the product of the Homo Superior hybrids, as we all have our origin in an individual female hybrid. Their descendants were so exceptionably endowed that they managed to eliminate not only the Neanderthal population, but also the other ‘Out of Africa’ Sapiens, by assimilating all those in the Europe, leaving only the ‘pure’ Sapiens still simply living in sub-Saharan Africa. This hypothesis gives us an opportunity to compare the rise of Homo Superior to native African Sapiens, and will give us an understanding of how close we are to our Homo cousins, so we need to compare the ‘genome’ of both Neanderthals and Homo Superior.
At roughly 3.2 billion base pairs, the Neanderthal genome is about the size of the modern human genome. According to preliminary sequences, 99.84% of the base pairs of the modern human and Neanderthal genomes are identical, compared to humans sharing around 94% of base pairs with the chimpanzee. The researchers recovered ancient DNA of Neanderthals by extracting the DNA from the femur bones of three 38,000-year-old female Neanderthal specimens from Vindija Cave, Croatia, and other bones found in Spain, Russia, and Germany. The project faced many difficulties, including the contamination of the samples by the bacteria that had colonised the Neanderthal’s body, the humans who handled the bones at the excavation site and also at the laboratory. So we must be realistic in the outcomes given and acknowledge that future samples may vary.
Another comparison is in the cranial capacities of this species. Within the human population, studies have been conducted to determine whether there is a relationship between brain size and a number of cognitive measures. Early anthropologists and psychometricians found these correlations and even modern studies (which began with Van Valen 1974) also suggested a similar correlation with Jensen & Johnson 1994, in ‘Race and Sex differences in Head Size and IQ’. They wrote “In all of the 25 independent studies we have found in the literature, nonzero positive correlations between head measurements and intelligence measurements to be found, all but five with correlations significant beyond the 0.5 confidence level. The average correlation between various external head size and IQ is close to 0.15. But external head size is rather weak proxy for brain size. Two recent studies have measured brain size per se by means of magnetic resonance imaging (MRI) and found correlations with IQ in the 0.3 to 0.4 range (Andreasen et al.,1993 Willerman, Schulz, Rutledge, & Bigler, 1991).”
So just how intelligent was Homo Superior in comparison to us and other groups in prehistory?
Today’s human Brain (Modern Man) is on average 1380cm3, while the Homo Superior’s brain averaged 1660cm3, so they are (on average) 20% more intelligent than us. On the IQ scale that would mean that Modern Man has an IQ of between 90 and 110 points (Stanford–Binet Intelligence Scale) – Homo Superior. Therefore, would have an IQ between 108 and 132 (classified as High Average to Superior held by the top 7% of the present population) – hence my new Homo Superior classification.
We can see the same correlation in other animals such as the size of Wolfs and Dogs – the dog’s brain is a deterioration of the animal it used to be in the wild. It does not mean that they are stupid or their lives are poor; in fact, one would suggest (if you were a dog) that their lives today are much more progressive than the life they once lived. But if man was wiped out by disease tomorrow, how many dogs would survive in the long term – It would not be beyond thinking that dogs would become extinct without man to look after them?
Can we not use this same analogy on Modern Man in comparison to Homo Superior?
For information about British Prehistory, visit www.prehistoric-britain.co.uk for the most extensive archaeology blogs and investigations collection, including modern LiDAR reports. This site also includes extracts and articles from the Robert John Langdon Trilogy about Britain in the Prehistoric period, including titles such as The Stonehenge Enigma, Dawn of the Lost Civilisation and the ultimate proof of Post Glacial Flooding and the landscape we see today.
Robert John Langdon has also created a YouTube web channel with over 100 investigations and video documentaries to support his classic trilogy (Prehistoric Britain). He has also released a collection of strange coincidences that he calls ‘13 Things that Don’t Make Sense in History’ and his recent discovery of a lost Stone Avenue at Avebury in Wiltshire called ‘Silbury Avenue – the Lost Stone Avenue’.
Langdon has also produced a series of ‘shorts’, which are extracts from his main body of books:
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