Date: 01/09/08 (Java Web)    Keywords: no keywords

Of the 20,000 to 30,000 genes now thought to be in the human genome, most cells express only a very small part - which makes sense, a liver cell has little need for the DNA code that makes neurons. But as almost all cells carry around a full copy (’distribution’) of the genome, a system is [...]

Source: http://blog.taragana.com/index.php/archive/why-are-stem-cells-so-hot/