Genomic construct containing barr sequences.
Genomic construct containing barr sequences rescues barrE51; position of rescue fragment on reference sequence inferred by FlyBase curator.
wild-type
barr+tXa rescues barrE51
barr+tXa rescues the lethality of Df(2L)E51 animals, indicating that the lethality of this chromosome is due to barrE51 (and not lokE51).