The "classic" Bloomington Deficiency Kit consisted mostly of cytologically defined deficiencies. It was replaced by a Deficiency Kit composed of molecularly defined deletions in July 2009 and has not been updated since.

• The full set consisted of 271 stocks.We estimate that this set deleted between 92 and 95% of polytene bands

  • DK1 = 45
  • DK2 = 110 (DK2L = 57, DK2R = 53)
  • DK3 = 112 (DK3L = 56, DK3R = 56)
  • DK4 = 4

• See Retired Deficiency Kit browsing list for stocks

• See Retired Deficiency Kit history for 1995 -- 2008 changes