seeding onion roots to study mitosis cells.

anaphase anatomy background biological biology blossom botanic cap cell cells chromosome closeup cycle cytokinesis cytoplasmic dividing division dna epidermis farm food fresh genetic hand haploid histology homologous interphase laboratory laboratoryn living meiosis membrane metaphase microscope microscopy mitosis mitotic nature nucleolus nucleus onion organic phase plant root roots seed seeding small study vegetable white