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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.
Formula One (also Formula 1 or F1) is the highest class of single-seat auto racing that is sanctioned by the Federation FÃ©dÃ©ration internationale de'L (AUTOMOBILE). fiahe formula is a set of rules which all participants' cars must meet. Formula One was a new formula agreed upon after World War II during 1946, with the first non-championship races being held that year.