Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families ...

Gray hair isn’t just about getting older – it reveals much more about your body, your genetics, and even your immune system.

or ‘salty liquorice,’ the cats have hair strands that start out black, and become white the further they grow from the follicle. It turns out the unique color is caused by a recessive genetic ...