2B6-2B7;20F
2B6--8;[]
hfw << bk1 << bk2
All limits from polytene analysis (FBrf0037773) Deletion of majority of euchromatin.
Lefevre.
Derived from C(1;Y)6, y2 su(wa) wa chromosome (origin obscure).
All limits from polytene analysis (FBrf0037773) Deletion of majority of euchromatin.