genetics

I was watching the X-Men2 the other day and it was explained that the mutants received their psionic powers through the male line. I know little about genetics and all the hereditary things I've heard of get passed through the female (ok the sum total of that is colour blindness, male pattern...

I was interested in hearing what people's arguments about the merits or flaws of scientist's tinkering around with DNA. We already know what most of the religious organizations have to say about it, but I would like to hear a skeptic's take on the whole situation. I'm personally all for it...

http://sciencenow.sciencemag.org/cgi/content/full/2003/218/3 (ScienceNow - subscription only) Because the children of sleepwalkers are 10 times more likely to somnambulate than those without sleepwalking relatives, researchers have long suspected that the disorder has a genetic component...