F1 hybrid is a term used in genetics and selective breeding. F1 stands for Filial 1, the first filial generation seeds/plants or animal offspring resulting from a cross mating of distinctly different parental types.
Visit Dr. Susan A. Eisenman, an emergency medicine specialist in Indiana, PA. Are you Dr. Eisenman? Sign up for MD.com.
(February 2013). Charles Eisenstein is a public speaker, self-described  degrowth activist and the author of several books including The Ascent of Humanity (2007), Sacred Economics (2011), and The More Beautiful World Our Hearts Know Is Possible (2013).ife [edit]. Born in 1967 to parents of Jewish descent, Eisenstein graduated from Yale University in 1989 with a degree in Mathematics and Philosophy. He has lived in Taiwan where he worked as a translator.