que es generacion filial 15
" Litter " ( sons of the parental generation - parents ) and the 2nd litter ( the parental generation 41 grandchildren; It is clear that the ancestors and descendants of a same trunk have some common characteristics that are transmitted from parents to children through successive generations. Genetics or science of biological inheritance, investigates the characters that exist in organisms and how they are transmitted from generation to generation. The experimental facts were in the previous century to postulate the existence of a series of hereditary factors, whose reality proved it in an irrefutable manner to the Augustinian monk Gregory Mendel, and in 1909 the Danish biologist johansen gave the hereditary factors 34 name; 34 genes;