first filial generation
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first filial generation — noun : the first generation produced by a cross with all members heterozygous for characters in which the parents differ … Useful english dictionary
filial generation — fil·ial generation fil ē əl , fil yəl n a generation in a breeding experiment that is successive to a parental generation compare F1 generation, F2 generation * * * the offspring produced by the mating of the individuals of a given generation,… … Medical dictionary
second filial generation — noun : the second generation from a cross produced by random interbreeding of the first filial generation and resulting in recombination and segregation of the various characters in which the members of the parental generation differ compare… … Useful english dictionary
filial generation — noun : a generation in a cross successive to a parental generation symbol F1 for the first, F2 for the second, etc … Useful english dictionary
filial — [fil′ē əl, fil′yəl] adj. [ME < LL(Ec) filialis, of a son or daughter < L filius, son, filia, daughter < base of femina, fetus: see FEMALE] 1. of, suitable to, or due from a son or daughter [filial devotion] 2. Genetics designating or of… … English World dictionary
filial — /ˈfɪliəl/ (say fileeuhl), / jəl/ (say yuhl) adjective 1. relating to or befitting a son or daughter: filial obedience. 2. bearing the relation of a child to a parent. 3. Genetics indicating the sequence of generations from an original parent.… …
generation — 1. SYN: reproduction (1). 2. A discrete stage in succession of descent; e.g., father, son, and grandson are three generations. [L. generatio, fr. genero, pp. atus, to beget] asexual g. reproduction by fission, gemmation, or in any other way… … Medical dictionary
F1 generation — n the first generation produced by a cross and consisting of individuals heterozygous for characters in which the parents differ and are homozygous called also first filial generation compare f2 generation … Medical dictionary
F 1 — First filial generation, arising from a cross, subsequent generations abbreviated F 2 , F 3 , etc; see P 1 … Dictionary of invertebrate zoology
F1 hybrid — First filial generation product of crossing two dissimilar parents. If the parents are sufficiently dissimilar the hybrid may be sterile (for example in the crossing of horse and donkey to produce a mule) and the term F1 hybrid generally refers… … Dictionary of molecular biology
