DNA of Human

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Study Shows Only 7% of Our DNA is Exclusive to the Modern Human

Study reveals interesting facts about our DNA…Get the details

Tuesday, 20th July 2021


A recent study published on Friday in the journal Science Advances suggests that a mere 7 percent of our genome is uniquely shared with other humans and is not shared with other early ancestors.

In a breakthrough study, scientists may have come closer to an answer to the question, what makes humans unique? This mystery has been lurking around for hundreds of years plaguing researchers. This study could hand them a new tool that will help glean precision contrasts between the DNA of modern humans and those of their long-dead ancestors.

Nathan Schaefer, a University of California computational biologist and co-author of the new paper said, “That’s a pretty small percentage, this kind of finding is why scientists are turning away from thinking that we humans are so vastly different from Neanderthals.”

The research is based on DNA extracted from fossil remains of Neanderthals and Denisovans that are now extinct and goes back around 40,000 or 50,000 years, as well as from 279 modern people from all around the world.

 

Also Read: Researches discover a Dragon Man Specimen skull.

 

While researchers are already aware that modern man has some common DNA with Neanderthals, there still lies a difference as different people share different parts of the genome.

One of the primary aims of this research was to pinpoint the genes that are unique to modern humans.

John Hawks, a paleoanthropologist at the University of Wisconsin, Madison, who was not associated with the research, said, there lies a complex statistical issue, and the researchers “developed a valuable tool that takes account of missing data in the ancient genomes.”

Scientists have also discovered that a meager 1.5 percent of our genome is shared among all living humans today and is unique to our species. This tiny section of our DNA may have the answers to what actually makes the modern man exclusive from their extinct ancestors.

Says Richar Green, University of California, Santa Cruz computational biologist and co-author of the paper, “We can tell those regions of the genome are highly enriched for genes that have to do with neural development and brain function.”

Applauding the methodology of the new study, geneticist Joshua Akey said, “Better tools allow us to ask increasingly more detailed questions about human history and evolution.”

Akey went on to say we are in fact a “very young species” who not so long ago had “shared the planet with other human lineages.”

 

The News Talkie Bureau

Source:

India Today


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