Gene Maps in the Brain

There’s been a lot of excitement over the past few years about genes linked to brain diseases. You may have heard that people carrying certain variations of the LRRK2 gene, for example, have an increased risk of Parkinson’s disease.But did you know that gene expression—that is, the translation of DNA into RNA and, eventually, into proteins—can vary quite a bit in different tissues and cell types?Read more at...NOVA, October 2010.