© Johanna Goodyear.
Patterns of inheritance, Mendelian genetics, variation of traits, pedigrees
Mendel used experimental approaches to characterize a particulate model of inheritance. In doing so, he developed the three Laws of Inheritance. Examine how Mendel made his important discoveries.
A pedigree shows how a trait is inherited over several generations. Dr. Lisa Meffert explains why pedigrees are important, and the key factors scientists consider when studying pedigrees.