What the heck is self blue split “true blue”

[Red Mangrove]

I was personally surprised to find that when a lavender breeds with non-lavender the loss of a single gene produces black birds

 

[RoostersAreAwesome]

I was personally surprised to find that when a lavender breeds with non-lavender the loss of a single gene produces black birds

Solid lavender is just black with two recessive genes

 

[JacinLarkwell]

I was personally surprised to find that when a lavender breeds with non-lavender the loss of a single gene produces black birds

It's because recessive genes need two to show. Otherwise they don't show at all