
Extended Heredity: A New Understanding of Inheritance and Evolution
Russell Bonduriansky and Troy Day
Book Genetics, Heredity, Non-Genetic Inheritance
A pair of evolutionary biologists takes a closer look at nongenetic inheritance
In the 19th century, August Weismann severed the tails of mice, observed no reduction in tail length among their offspring, and declared Lamarckian inheritance refuted. Had he instead removed “teeth” from the amoeba Difflugia corona, he would have found reliable inheritance of the disfigurement. The amoeba experiment was conducted by Herbert Jennings in 1937, but…