in vitro tetraploidy was considered to be present ( ivt+ ) : ( 1 ) by ma if more than 7 per cent of metaphases were tetraploids , ( 2 ) by fcms if more than 8 per cent of cells in stationary cultures were tetraploids ( i.e . dna index greater than 1 ) , and ( 3 ) by fcmd of more than 8 per cent of cells in logarithmic cultures were tetraploids ( i.e . dna index greater than 2 ) .
C0025564
ma
C0007634
cells