8 Ball
Combination
8 Ball is the hobby name for a ball python with one Black Pastel gene and one Cinnamon gene. Both genes sit at the same locus in the Cinnamon complex, so each baby inherits one or the other, never both, and an 8 Ball bred to a normal gives no normals. Cinnamon combined with Black Pastel is reported to cause spinal kinking, duckbill facial changes and eye abnormalities.