Lindsley & Grell, 1972, p. 191
location: 2-54.5.
discoverer: Bridges, 12b20.
references: 1919, J. Exptl. Zool. 28: 264-305. Bridges and Morgan, 1919, Carnegie Inst. Wash. Publ. No. 278: 169 (fig.). Sturtevant and Beadle, 1939, An Introduction to Genetics, Saunders, p. 64 (fig.).
phenotype: Eye color ruby at hatching, darkening to purplish ruby with age; orange in combination with st, reddish brown in combination with bw (Mainx, 1938, Z. Induktive Abstammungs-Vererbungslehre 75: 256-76). Eye color autonomous in larval optic disks transplanted into wild-type hosts (Beadle and Ephrussi, 1936, Genetics 21: 230). Larval Malpighian tubes normal (Beadle, 1937, Genetics 22: 587-611). A lethal interaction of pr and ey reported by Clemente (1941, Proc. Intern. Congr. Genet., 7th. p. 90) could not be confirmed by Green (1955, DIS 29: 121). RK1.
cytology: Placed in salivary chromosome region 37B2 through 40B2, on the basis of its being within the deficiency from T(Y;2)H = T(Y;2)37B1-2;40B2-3.
color figure: P. A. Otto (original)