Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Learn About Genetics: Genes & Inheritance
An animation introducing the basic concepts of cells, DNA, recessive inheritance, and Punnett squares.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Inheritance Calculator: Genetic Traits
An interactive Punnett Square inheritance calculator helps students work out patterns of recessive inheritance for a trait, such as straight or peaked hairline.