Produces a centric, single-ring-X and either an acentric, single-ring-X or a tandem, triple-ring-X chromosome by crossing over between the two arms of the compound. Transmission higher than that of C(1)TR1. Tetrad distribution about normal. Exhibits < 0.20% dicentric quadruple rings in mitotic metaphases (Gatti, Santini, Pimpinelli and Olivieri, 1979, Genetics 91: 255-74).
Sandler and Lindsley.
Regular but infrequent product formed by exchange between the duplicated BS section and the homologous region of the inverted arm.
C(1)TR94, +.In(1)sc4LENR.