Abstract
INVESTIGATIONS of deoxyribonucleic acid (DNA) formation in vivo have shown that synthesis and replication are completed before separation of chromosomes begins. DNA synthesis, as measured by staining, incorporation of phosphorus-32, or radioactive nucleotide precursors, has generally been thought not to occur in cells unless they are preparing to divide1. Research leading to such conclusions has used developing angiosperm pollen cells (microspores) of Lilium2 and Tradescantia3 or bacteria and animal tissues4.
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STANLEY, R., YOUNG, L. Deoxyribonueleie Acid Synthesis or Turn-over in Non-dividing Pollen Cells of Pine. Nature 196, 1228–1230 (1962). https://doi.org/10.1038/1961228b0
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DOI: https://doi.org/10.1038/1961228b0
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