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Title: Counting Cells That Ensure Gene Balance Post by: Orstio on February 05, 2006, 07:40:52 AM Click here to read the article ... (http://www.everything-science.com/content/view/173/1/)
Quote Two are one too many – this is the motto used by cells of a female organism: These contain two X chromosomes, one of which always becomes inactivated. How does the cell recognize that it contains two of these sex chromosomes and how does it choose which one to turn off? Scientists of the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ), working together with French colleagues, have now been able to elucidate an early step in this complex process. |