sorry,i can't get your question...wt r u trying to tell? Reply: Just don't answer if you cannot say it! OMJB!
I think that , they r both controlled by more then 2 allels.
polygenic inheritance is when more than one genes are responsible for a character/phenotype. for example human skin color. if one want to draw a pedigree for that, he will not be able to succeed....
Polygenic inheritance is the phenotypic expression of a trait involving the interaction of many genes.
If polygenic inheritance is playing Halo Reach then single gene inheritance has to be no less than playing Halo 3