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....
If polygenic inheritance is playing Halo Reach then single gene inheritance has to be no less than playing Halo 3
Question is incomplete !
The only one I remember is that the offspring will have a combination of the mother and father.
Law of dominance law of segregationlaw of independent assortment