1. only extrachromosomal ribosomal DNA circles are not transmitted fo daughter cells during replicative aging a. true b. false 2. Do old mother cells have fragmented nucleolus because of highly accumukated extrachromosomal ribosomal DNA circles? 3. Do daughter cells of old mother cells have extended replicative life span? a. true b. false 2. Do old mother cells have fragmented nucleolus because of highly accumukated extrachromosomal ribosomal DNA circles? 3. Do daughter cells of old mother cells have extended replicative life span?.