I did the math and here is how it works out.

If you breed 2 snakes that are both het for same 4 recessives:

single expression 23% chance (6% for each trait)

double expression 21%

triple expression 5%

and the Quad comes out at .4% (like winning the lottery)

but that also comes out to be the same odds that your normal lookers will be het for nothing.

There is about a 50% chance that each egg will express something.

Hope this helps.
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1 BP
4 Cal Kings 3 alb 1 het
3 Alb Corn
1 Rev Alb Nelsons

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