Murray-Kirschner 1991 + Hoyt 1991 MAD/BUB checkpoint: unattached kinetochores generate MCC complex inhibiting APC/C-Cdc20 -> securin/cyclin-B preserved -> anaphase prevented.
Murray-Kirschner 1991 + Hoyt 1991 MAD/BUB checkpoint: unattached kinetochores generate MCC complex inhibiting APC/C-Cdc20 -> securin/cyclin-B preserved -> anaphase prevented.