3736
In each case the allele loss was caused by an interstitial deletion because heterozygosity at distal markers was retained and because quantitative Southern blotting demonstrated hemizygosity .
 ( DNA: distal markers, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: distal markers, None) 