Concept Proposed Correct or Incorrect
Pangenesis Genetic information travels from different parts of the body to reproductive organs. Incorrect
Inheritance of acquired characteristics Acquired traits become incorporated into hereditary information. Incorrect
Preformationism Miniature organism resides in sex cells, and all traits are inherited from one parent. Incorrect
Blending inheritance Genes blend and mix. Incorrect
Germ-plasm theory All cells contain a complete set of genetic information. Correct
Cell theory All life is composed of cells, and cells arise only from cells. Correct
Mendelian inheritance Traits are inherited in accord with defined principles. Correct
Table 1.1: Early concepts of heredity