The answer to both questions would be no. There really isn't a creamsicle gene, in A. citrinillus it is referred to as the gold gene. Normal, or barred specimens, and gold morphs, which can range from solid orange/red, to solid white, or a mixture of white, orange, and black. (piebald)
An interesting read on the subject.
Transcriptomics of morphological color change in polychromatic Midas cichlids