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An F1 hybrid (or filial 1 hybrid) is the first filial generation of offspring of distinctly different parental types. F1 hybrids are used in genetics, and in selective breeding, where it may appear as F1 crossbreed. The term is sometimes written with a subscript, as F1 hybrid.
noun. (genetics) The first filial generation, which is comprised of offspring (s) resulting from a cross between strains of distinct genotypes. Supplement. The F1 generation is the generation resulting immediately from a cross of the first set of parents (parental generation) . Compare: F2 generation. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 28 July 2009, at 12:54.This page has been accessed 221,403 times.