From Wikipedia, the free encyclopedia. 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.
Dr. Dominic Dematteo is a Family Practice Specialist in Bensalem, Pennsylvania. He graduated with honors from Philadelphia College Of Osteopathic Medicine in 1990.
Dr. Theoktisto is a Pediatric Nurse Practitioner at Eastside Community Practice and a Clinical Preceptor in the College of Nursing at the University of Florida. She has over thirty years of experience as a pediatric nurse both in the hospital and clinic setting.