Song Audio. Numb is track #6 on the album Nick Jonas. It was written by Posner, Mike / Jonas, Nick / Musto, Matt / Monson, Nick / Wilson, Raykeea. Numb is track #6 on the album Nick Jonas. It was written by Posner, Mike / Jonas, Nick / Musto, Matt / Monson, Nick / Wilson, Raykeea.
Genetics at Work Image Gallery. Redhead extinction is the idea that the recessive gene that causes red hair will eventually die out. Read about the theories behind redhead extinction.See more pictures of genetics at work.n fact, the National Geographic story provided some data about red hair in the world population, but it only said that news reports have claimed that redheads were going extinct [source: National Geographic ].
Hair Loss. Losing a lot of hair (more than 100 hairs a day) can be caused by inherited factors, disease, stress, medicines, injury, aging, or hair care. Inherited hair loss. The most common cause of hair loss is genetics-you inherit the tendency to lose hair from either or both of your parents.