jueves, 11 de junio de 2015

          First humand clonation


Scientists from South Korea and North America have achieved by cloning human embryos, extracting 16 Korean volunteers ovarian germ cells and inserting them into eggs to them beforehand by the nucleus had been removed and had been obtained from the same woman. Sacrificing human embryos these scientists have isolated stem cells.The work was led by cloning expert veterinarian Woo Suk Hwang, along with Shin Yong Moon of Seoul National University. These researchers have followed a similar procedure to that used to clone Dolly the sheep. The experiment was published dated February 13, 2004 in the journal Science.
The Science article provides a detailed description of how to create human embryos by cloning. Experts in this field of research and outside the present work is judged convincing.
However in a recent article in the newspaper article, López Moratalla, a prestigious expert on the subject he said that the experiment of Seoul has not obtained a human clone; not even a cloned embryo. There are biological barriers to copy humans.