It's possible that under certain condition, some otherwise simple recessive genes do not behave in a simple recessive fashion.

Several Cal King breeders have seen that with lavender and amel - breed them together and you get visual double hets (darker than homo form of either trait) even though those traits normally are simple recessive by themselves.

So our rules for simple recessive expression are not always strictly adhered to by mother nature.
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Arrrggg!
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- iCarly

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