Using a new method, researchers found mysterious “ghost” DNA in West African Yoruba population.
Wikimedia CommonsYoruba man playing musical instrument .
agency before homo sapiens were the only human species walking the earthly concern , other protohuman metal money be . While several study have regain the DNA of ancient populations in modern human beings , primarily Neanderthals and Denisovans , we lack findings of deoxyribonucleic acid from African - dwelling ancient hominids in mod man . That ’s because we have n’t been able to access archaic genome of African populations .
But researchpublishedonbioRxivfrom the University of California in Los Angeles , which is await match reexamination , has new interesting finding on the subect .
Wikimedia CommonsYoruba men playing instruments.
In the research , Arun Durvasula and Sriram Sankararaman from the Department of Human Genetics at UCLA presented a statistical method that combines various population genetics to discover strange genetic codes in antediluvian derivation in present - day individuals .
Using this novel method , the investigator applied it to the deoxyribonucleic acid of 50 randomly select mortal from a European population and to the desoxyribonucleic acid of 50 modernistic individuals of the Yoruba African population whose genome were sequenced in the1000 Genomes Project .
According to their findings , there is DNA from an unidentified species of ancient hominin in about eight percent of the transmissible stemma from the West African Yoruba population . Because this DNA has n’t yet been linked to a known ancient universe , it ’s being called a “ ghost ” specie .
The question now is who does this “ shade ” deoxyribonucleic acid belong to to ?
A hypothesis is that this deoxyribonucleic acid follow from a species know as homo heidelbergensis . There is grounds that suggests this advanced hominin universe was living in Africa over 200,000 years ago . However , the DNA can also belong to a population of hominins whose macrocosm up until now has n’t been recognise .
There is less of the inscrutable archaic pedigree found in the Yoruba population in selectively stiffen neighborhood of the genome . This finding suggest that the newly come across admixture went through the same kind of filtering out process that previous Neanderthal and Denisovan admixtures went through , which resulted in the remotion out of non - beneficial traits .
On the insolent side , several results line up that the antediluvian DNA sequence amongst this population was raise in sealed areas .
This could be indicatory not only of an wallop that this antiquated DNA has on modernistic Yoruba population , but can also allow for penetration into how modern mankind as a whole evolved as a coinage .
If you found that interesting , you may require to record aboutthe Pacific Islanders who were link to DNA unknownto any other human ancestor . Then you’re able to take about thescientists who grew a beating human heart from stem turn cell .
