Species Chromosome Numbers Division Staining Method Phase Contrast Microscope Image Vicia faba 2n=2x=12 Metaphase of mitosis Acetocarmine Triticum   monococcum 2n=2x=14 Metaphase of mitosis Acetocarmine 7" Metaphase I of meiosis Acetocarmine Triticum  durum 2n=4x=28 Metaphase of mitosis Acetocarmine 14" Metaphase I of meiosis Acetocarmine Triticum  aestivum 2n=6x=42 Metaphase of mitosis Acetocarmine 21" Metaphase I of meiosis Acetocarmine