bk1 hits Vinc << bk2
Vinc and the AAGAG satellite are fused.
Limits of break 1 from complementation mapping against Vinc (FBrf0084649) Limits of break 2 from polytene analysis (FBrf0084649)
In(1LR)pn2a/In(1)FM7 females show normal segregation of the X chromosomes.
Inviable in combination with Df(1)sta or Df(1)JA52.
In(1LR)pn2a/Y males show normal fertility and 30-50% viability.
dor locus displays position effect variegation.
X ray induced secondary rearrangements demonstrate that the extent of PEV reduces gradually with a decrease in the quantity of adjacent heterochromatic DNA.