(May 13, 2010 at 8:42 pm)The_Flying_Skeptic Wrote: Men don't need nipples but male nipples are a byproduct of evolution. Marko countered that the byproduct of male nipples was only a genetic necessity since, according to him, 'the development of nipples occurs before the development of sex'. I'm not sure there is truth to his statement since sex is determined at the moment of conception (e.i. whether the sperm is an x chromosome or a y chromosome).I might be wrong, but I think the fetus is sexually ambiguous until at least a few months into development. This is probably what he was referring to.
- Meatball