a significant decrease in quadrivalent frequency and an increase in bivalent frequency per cell , greater frequency of ring quadrivalents , more cells with regular separation of chromosomes and fewer cells with laggards at anaphase i , fewer irregularities in meiosis ii , fewer pollen quartets with micronuclei and fewer aneuploids in the progenies were found in evolved tetraploid .
C0007634
cells
C0002788
anaphase