where does the coulor of our hair come from and were does it grow from?

Question: where does the coulor of our hair come from and were does it grow from?
- Keywords:
  colour,
  genes,
  hair
Asked by apoole09x to Alex, Jools, Lynz, Matt, Rika on 20 Jun 2011.
- Julie Greensmith answered on 20 Jun 2011:
  
  It is encoded in our genes, given to us by our parents. For boys, the Y chromosome decides where hair grows and how thickly which is why men have beards.

Question: where does the coulor of our hair come from and were does it grow from?