<prompt> Ladder pattern of DNA electrophoresis is seen inNecrosisApoptosisCytolysisKaryorrhexis  <response>: Ans. b ApoptosisRef: Robbins 9thpg 53; R 9thpg 29-30DNA breakdown Internucleosome cleavage by endonuclease into 200 bp oligonucleosomes is a characteristicQ at specific sites can be detected by step ladder pattern on gel electrophoresis or TUNEL TdT mediated d-UTP Nick End Labelling technique 