21D;63F;64E;74F;88D
2Lt - 21D | 64E - 74F | 88D - 74F | 88D - 3Rt ; 2Rt - 21D | 63F - 64E | 63F - 3Lt
21D;63F;64E;74F;88D
homozygous lethal crossing-over reduced in 3L
selected on the basis of reduced recombination in heterozygous females. Originally associated with In(3LR)C267.
Recombination reduced on chromosome arm 3L.
All limits from polytene analysis (FBrf0021565)