“People with blue eyes have a single, common ancestor, according to new research.
A team of scientists has tracked down a genetic mutation that leads to blue eyes. The mutation occurred between 6,000 and 10,000 years ago. Before then, there were no blue eyes.
“Originally, we all had brown eyes,” said Hans Eiberg from the Department of Cellular and Molecular Medicine at the University of Copenhagen.”
“Professor Julian Savulescu said that creating so-called designer babies could be considered a “moral obligation” as it makes them grow up into “ethically better children”.
He said that we should actively give parents the choice to screen out personality flaws in their children as it meant they were then less likely to “harm themselves and others”.
He said that science is increasingly discovering that genes have a significant influence on personality — with certain genetic markers in embryo suggesting future characteristics.
In the end, he said, “rational design” would help lead to a better, more intelligent and less violent society in the future.”
“Researchers in the US have demonstrated a means to use short sections of DNA as rewritable data “bits” in living cells.”
“The DNA sequences showed that this individual came from a previously unknown group of extinct humans that have become known as Denisovans. Together with their sister group the Neandertals, Denisovans are the closest extinct relatives of currently living humans.”
September 13, 2010 – Original Source: ScienceDaily
Scientists at the Genome Institute of Singapore (GIS), a biomedical research institute of the Agency for Science, Technology and Research (A*STAR), and their colleagues from the National University of Singapore, Nanyang Technological University, Duke-NUS Graduate Medical School and Princeton University have recently discovered that viruses that ‘invaded’ the human genome millions of years ago have changed the way genes get turned on and off in human embryonic stem (ES) cells.