[QUOTE=zx92027xz]
Spider x Spider = all spiders
[QUOTE]

That would only work out if one of your spiders was homozygous for the spider mutation. I don't want to start that discussion here too as it's the subject of the Super Spider thread but I'm not sure there are any homozygous spiders.

Assuming your spiders are the much more common (or perhaps only) heterozygous type then each egg from spider X spider has at least a 25% chance of hatching out a normal. Basically you could think of spiders as het for normal which is recessive to spider.

If I where trying to make an albino spider and had an adult albino and an adult spider of the opposite genders I would expect that when I bred them together I would get 100% het albinos and about 50% of those would also be spiders. If my original albino where the female I'd be hoping that one of the spider het albino offspring was a male. Raise that spider het albino up as quickly as possible and breed it back to the albino and get a clutch that would be about 50% albino and also 50% spider with an intersection of about 25% spider albinos.