Mendel part 1 Mendel and the Gene Idea Work prior to Mendel Blending theory of heredity . Once hereditary traits are blended, they can no longer be separated out to appear again in later generations.
Some inheritable traits skip one generation only to reappear in the next.
Mendel bred garden peas in the abbey garden. They were available in many easily distinguishable varieties. Strict control over mating was possible to ensure the parentage of new seeds. Mendel chose characters in pea plants that differed in a relatively clear-cut manner. Always producing offspring with the same traits as the parents when the parents are self-fertilized.