Hi Ryan, Stem cells, as you know, are the topic of opinionated debate around the world. With increasing study and awareness, we are discovering endless possibilities of stem cell benefits. The controversy
Hello Aisha! Unfortunately this is one of those topics that you can write entire books about, so I'm not sure what you're looking for. At its most basic, genetic information is passed two ways, mitosis
Hi Mike! I hate to disappoint, but scientists are still trying to figure out how all the genes work together to result in beautiful you. We've gotten to the point where we mostly have named all the
Hello Xcislav! Viral genomes are typically small; around 8000 base pairs. (Compare this to the couple-billion base pairs in each human cell.) This means that determining their sequences is not terribly
Historically it's been a mystery whether or not 'more DNA' was 'Better DNA'. For awhile we humans thought that for an organism as complex as a human we'd need lots of DNA for our programming, so there

©2012 About.com, a part of The New York Times Company. All rights reserved.