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. Herren's Background. David J. Herren, MD is a practicing Ophthalmologist (Eye Specialist) in Rome, GA. Dr. Herren graduated from Medical College of Georgia School of Medicine in 2012 and has been in practice for 5 years. He completed a residency at University of Tennessee Health Science Center.