All of that could take a wile to explain, but I can start you off with this.

100% het is a guarenteed het, it carries the gene for what ever trait is listed; albino, pibald, etc. The animal looks normal if it is a ressive gene like albino.

66% het means that the ods are 66 out of 100 that the animal is a het. Or 2 out of 3.

When you breed two 100% hets together 25% of the offspring will visably have the ressive trait, like albino, and the rest will look normal. The ones that look normal have a 66% chance of having the gene.

ex.
you breed two hets and get 4 babys
1 is albino
2 are hets
1 is normal

because the hets look the same as the normal there is no way to tell by looking wich are the hets and wich are the normal so they all have a 66% chance of being het.

don't forget that breeding two hets does not guarentee you will get albinos. some times it takes several breeding attempts to have any. each egg has a 25% chance of being albino, they could all look normal, or you could end up with a clutch that is half albino, or more (that would be like winning the lottery, but it is possible).

Hope this has helped you.
I can teach you the Punnet square, but I will need to e-mail you a visual aid.

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