I know grey is a dominant gene, but excuse me if I'm wrong. Since his sire is only heterogous, he might just not have got the gene. He only needed one, but got the short end of the stick.
Though if you ask me, he just looks like a palomino. I just highly doubt he is greying. If he was, he would have been a dark color at birth. Black, or almost black. Not palomino.
I've seen a few foals that were to turn grey when older. They almost looked roanish.
Last edited by Ladybug2001; 12-24-2011 at 06:40 PM.