Figure 3

At the onset of anaphase I, meiosis is arrested in the barley chromosome 1H addition line. Homologous chromosomes are pulled towards opposite poles but chiasmata are not dissolved at the telomeric ends. Thus, the chromosomes are irregularly stretched. The number of chromosomes differed form PMC to PMC; (a) has smaller number of chromosomes than (b). Bars indicate 10 μm.