That means you can end up with red beard hair and brown regular hair, like some people do. It's one mutated MC1R gene expressing itself in one part of the body. A similar genetic principle ...

When taking a look back at her dark-brown hair vs. her blonde hair, it’s truly shocking to see the difference. Wow, that’s been a lot of bleach since then. Livvy Dunne / Livvy Dunne/Snapchat ...