measurements of distances between telocentric chromosomes , either homologous or representing the opposite arms of a metacentric chromosome ( complementary telocentrics ) , were made at metaphase in root tip cells of common wheat carrying two homologous pairs of complementary telocentrics of chromosome 1 b or 6 b ( double ditelosomic 1 b or 6 b ) .
C0025564
metaphase
C0007634
cells