The last I heard, there is such a thing as a super-pin. It just happens to look exactly like a pin--but since it carries 2 copies of the gene, it will produce all pins when bred to another animal. So, Pinstripe is a true dominant.

Spiders do NOT appear to ever produce a super, which means that spider is probably co-dominant with a lethal super form. Woma is also co-dominant with a lethal super, but the super hatches before it expires.

I have both a spider male an a woma male. My spider is paired with pretty normals to make more spiders--I'll be keeping all the females this year. My woma was paired with an exceptional dinker female to produce some drop-dead gorgeous womas.

You'll get more bang for your buck out of females of dominant or co-dom with lethal super morphs, but the males can make you as many females as you need.