Quote Originally Posted by Watever View Post
and Super Stripe to ivory have produced Super Stripe and Ivory if my memory is right.

meaning they are on the same loci.

so isn't my answer good ? lol
Spector Yellow Belly x Yellow Belly is going to produce Ivories because Yellow Belly is on both ends of the spectrum. But you can't produce a Super Stripe Ivory by breeding Specter Yellow Belly x Yellow Belly.