CK-12 Foundation
Ck 12: Episd: Mendel's Pea Plants
[Free Registration/Login may be required to access all resource tools.] A breakdown of biologist Gregor Mendel's genetic experiments with pea plants to clarify controlling self and cross pollination.
Estrella Mountain Community College
Online Biology Book: Introduction to Genetics
This college-level biology reference book introduces the study of heredity and genetics using diagrams and descriptive illustrations.