BUBBLE [Bb]
Lindsley & Grell, 1972, pp. 29-30
location: 1- (not located) or 3-48.
origin: X ray induced.
discoverer: R.L. King, 32d.
synonym: Balloon.
phenotype: Wings of heterozygous female smaller, trimmed, and inflated. Bubble in first posterior cell. In extreme cases and usually in males, the wing is a small inflated sac. Sexual difference in expression may indicate that Bb is on the X. Female fertile; male entirely sterile; therefore homozygous females not obtainable. RK3A.
cytology: Associated with T(1:3)Bb = T(1;3)l3E;84F (Morgan, Bridges, and Schultz, 1937, Carnegie Inst. Wash. Year Book 36: 301).
color figure: P. A. Otto (original)
b & w figure: Bridges and Brehme, 1944, Carnegie Inst. Wash. Publ. No. 552: 23 (original drawn by Edith M. Wallace)