So, for plants like Arabidopsis thaliana, it's good to have a backup plan. "Chromosomes have to be accurately partitioned every time a cell divides," explains Cold Spring Harbor Laboratory (CSHL ...
Plants like Arabidopsis, seen here, have two options to ensure accurate chromosome division—a molecule called DDM1 and a process known as RNAi. If Arabidopsis loses one of these, it’s fine.