Jan. 22, 2014 Our most common male ancestor emerged some 209,000 years ago -- earlier than many scientists previously thought, according to new research from the University of Sheffield.
The pioneering study, conducted by Dr Eran Elhaik from the University of Sheffield and Dr Dan Graur from the University of Houston, also debunked the discovery of the Y chromosome that supposedly predated humanity.
In the new research, published in the European Journal of Human Genetics, Dr Elhaik and Dr Graur used conventional biological models to date our most common male ancestor 'Adam' in his rightful place in evolutionary history.
The ground breaking results showed that this is 9,000 years earlier than scientists originally believed.
Their findings put 'Adam' within the time frame of his other half 'Eve', the genetic maternal ancestor of humankind. This contradicts a recent study which had claimed the human Y chromosome originated in a different species through interbreeding which dates 'Adam' to be twice as old.
Debunking unscientific theories is not new to Dr Elhaik. Earlier this year he debunked Hammer's previous work on the unity of the Jewish genome and together with Dr Graur they refuted the proclamations made by the ENCODE project on junk DNA.
"We can say with some certainty that modern humans emerged in Africa a little over 200,000 years ago," said Dr Elhaik.
"It is obvious that modern humans did not interbreed with hominins living over 500,000 years ago. It is also clear that there was no single 'Adam' and 'Eve' but rather groups of 'Adams and 'Eves' living side by side and wandering together in our world."
Dr Elhaik added: "We have shown that the University of Arizona study lacks any scientific merit. "In fact, their hypothesis creates a sort of 'space-time paradox 'whereby the most ancient individual belonging to Homo sapiens species has not yet been born. If we take the numerical results from previous studies seriously we can conclude that the past may be altered by the mother of 'Adam' deciding not to conceive him in the future, thus, bringing a retroactive end to our species.
"Think of the movie Back to the Future, when Marty was worried that his parents would not meet and as a result he wouldn't be born -- it's the same idea.
"The question to what extend did our human forbearers interbreed with their closest relatives is one of the hottest questions in anthropology that remains open."
Welcome to SUV System Ltd!
SUV System Ltd is ISO 90012008 Certified electronics distributor with 10 years of experiences.
We have built up long term business relationship with about many companies which are stockers and authorized agents. we have a steady and reliable supply to meet customer's demands to the greatest extent .Confidently, we are able to lower your cost and support your business with our years of professional service.
SUV System Ltd is Electronic Components Distributor Supplies,Find Quality Electronic Components Supplies Products IC(Integrated Circuits),Connectors,Capacitor,Resistors,Diodes,Transistors,LED at Suvsystem.com. Sourcing Other Energy, Environment, Excess Inventory Products from Manufacturers and Suppliers at Suvsystem.com
SUV System Ltd insists on the managing faith ofsincereness,speciality,foresight, win-win,so we build up stable-relationship customers located all over the world, including the States, Europe, Argentina, UAE, Malaysia, Australia,and India etc
we are focus on the following fields,and hope we can help you.
Bipolar Transistors IC(Integrated Circuits) TDK IC Chip Ferrite Beads Xilinx IC chip Filter saws Rectifier Diodes AGILENT LED components Connectors Microchip IC Other Parts ON Transistors IDT IC Chip Fuses LINEAR IC Vishay resistors NEC Transistors ST Diodes SANYO IC TI IC NEC Diodes Resistor Networks PANASONIC Metal Can Packages Transistors TOSHIBA Transistors Renesas parts IC Cypress IC INTERSIL IC LED part Military IC Diodes Inc Atmel IC High Precision Resistors HARRIS IC Electronic News Civil IC Resistor Arrays MOTOROLA IC Discrete Semiconductor Transistors