F1 hybrid is a term used in genetics and selective breeding. F1 stands for Filial 1, the first filial generation seeds/plants or animal offspring resulting from a cross mating of distinctly different parental types.
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NATHAN W STEINHAFEL, OD â NPI #1437386927 Pediatrics. Optometrists who work in Pediatrics are concerned with the prevention, development, diagnosis, and treatment of visual problems in children.