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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.
The LaFerrari (project name, F150) is a limited production hybrid sports car built by Ferrari. LaFerrari literally means TheFerrari in Italian and in some other Romance languages, in this context in the sense that it is the definitive Ferrari.