This page has been archived and is no longer updated. Published online 11 March Nature doi Eleanor Lawrence. A clear demonstration of how chromosomes get scrambled during evolution comes from a comparison of sex determination in birds and humans reported in Nature Genetics [1 March]. Michael Schmid from the University of Wurzburg and colleagues have found that although birds appear to have a quite different way of determining sex from that of humans, they may not be quite so different after all, when one looks in the right place in the chromosomes. Birds and mammals are separated from their last common ancestor by million years of evolution. And during that interval a lot has happened.
A new gene technology to differentiate between male and female chicks pre-hatch could improve animal production, reduce costs and eliminate ethical dilemmas for the egg and poultry industries. Recent advances in gene technology mean that it is now possible to differentiate between male and female chicks pre-hatch. This discovery provides an opportunity to improve animal production, reduce costs and eliminate ethical dilemmas in the egg laying and related industries.
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