1 Superficial MRSA skin infections include pimples, boils, and impetigo. 2  Impetigo is a superficial skin infection that often has a crusty and/or blistered appearance. 3  If left untreated, superficial infections have potential to progress into serious/invasive infections. If left untreated, superficial infections have potential to progress into serious/invasive infections. 2  Deep MRSA skin infections include abscesses and cellulitis. 3  Both of these present as painful, red, swollen areas of skin.
Home Â» Polygenic inheritance. Definition. noun. A non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes. Supplement.
slide 1 of 5. A polygenic trait, is a trait that nonallelic genes control. These traits result from one or more genes contributing to the phenotype. An individual's physical appearance is determined by chromosomal inheritance and genotypic ratio. This phenomenon is known as Mendel's Laws of Inheritance.