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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 so-called âEfficiency Leavesâ display on the dash of the 2010 Ford Fusion Hybrid is a real charmer, one of those brilliant interactive creations that, like the touchscreen of the Apple iPhone, proves as user-friendly as it is delightful.