(C) Larval NSCs of control (ctrl; yw), pr-set7716/Df, pr-set7716/Df with UAS-pr-set7 induced with insc-Gal4, and pr-set7716/Df with pr-set7-BAC at 24h ALH were stained for H4K20me1, Dpn, Mira and DAPI. Control: n=108; pr-set7716/Df: n=87; pr-set7716/Df with UAS-pr-set7 induced with insc-Gal4: n=167 and pr-set7716/Df with pr-set7-BAC: n=104. Data information: White arrows point to NSCs. Scale bars, 5 μm 