If the normal looking pastel you are talking about came from a pastel that came from a pastel X pied breeding, then it would have a 50% chance of being het pied. Here is another way to explain it:

original breeding
Pastel X Pied = pastel het pieds het pieds

Pastel from original breeding X normal
Pastel from original breeding would be 100% het pied, so any offspring from a breeding to a normal would be 50% pos het pieds, about half of which will be pastel and the other half would be normal pos hets.

Hope that helps.

Ben

[ Show Entire Thread ]