“…Shaw et al (1991) and Tereba et al (1991) have located the genes for growth hormone and aromatase, respectively, to the q arm of Chromosome 1. The newer fluorescent probe methods are now being used in chickens for the location of cloned genes by several groups (Soret et al, 1990;Dominguez-Steglisch et al, 1990, 1991, 1992aHutchison and LeCeil, 1992;Li and Ponce de Leon, 1992; N. J. Hutchison and C. LeCeil, Fred Hutchinson Cancer Research Center, 1124 Columbia St., Seattle, WA 98104, personal communication; F. A. Ponce de Leon, Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA 01003, personal communication).…”