Cold Spring Harbor Laboratory
Dna From the Beginning: Some Genes Are Dominant
Learn about the principle of dominance as you watch animations showing Mendel's experiments with pea plants. Find out what happened when he crossed plants that produced green seeds with those that produced yellow seeds.
Cold Spring Harbor Laboratory
Dna From the Beginning: Genetic Inheritance Follows Certain Rules
Find out what happened when Mendel crossed two hybrid pea plants. The animations do a good job explaining why these crosses produce a 3:1 ratio of traits.