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. D'Agate is board-certified in internal medicine, cardiovascular disease, and nuclear cardiology. He currently practices as a member of Suffolk Heart Group with privileges at Southside Hospital of Bay Shore, Good Samaritan Hospital of West Islip, and St. Catherine of Siena of Smithtown, New York. *Dr.