part_of part of part of is_input_of is specified input of has_quality has quality has quality derives_from Drosophila melanogaster male embryo cell type ENCODE functional genome mapping ENCODE cell line Drosophila melanogaster cell line embryonic cell line GM2 PMID:21177962 Cells are of embryonic line made by Mosna and Dolfini. GM2 line was characterized by XO cells showing two “new” telocentric chromosomes while an autosome of the II pair was missing (Mosna and Dolfini, 1972). XO Drosophila are sterile males (http://www.ncbi.nlm.nih.gov/books/NBK10025/).