Table 1 Sex chromosome NDJ in sunn mutant males
Sperm genotype
Paternal genotypeXYXYOna%NDJb
sunnZ3-1956/Dfc337353177337120442.7
sunnZ3-5839/Dfc388416181419140442.7
sunnZ3-4085/Dfc344353158400125544.5
sunnZ3-5839/sunnZ3-58392862669231195542.2
Total sunn135513886081467481843.1
Gamete frequency (%)28.128.812.630.4
Dfc/+ (WT)8037350215400.1
  • w/BSYy+ males with the indicated third chromosome genotype for sunn were each crossed to two y w females. The dominant BS marker causes Bar eyes and was used to determine whether progeny inherited the Y chromosome.

  • a Total number of progeny scored.

  • b %NDJ = 100 × (XY+ O)/n.

  • c Df (3L) ED4470.