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. Kenneth Rosen MD. Dr. Kenneth Rosen specializes in dermatology, internal medicine in Miami, Florida. Dr. Kenneth Rosen has been compared 1168 times. Details of Dr. Rosen's 47 years experience as an MD and education at University of Miami are available on your free doctor report.