Haplopappus gracilis is a diploid plan


Haplopappus gracilis is a diploid plant with only two pairs of chromosomes. Assume that a G1-stage cell of this plant was growing in culture medium containing radioactive 3H-thymidine. After one generation of growth on this medium, the cells were transferred to the medium with non-radioactive thymine and colchicin (does not allow cells to divide, stop division at metaphase) were allowed to grow for another generation. Then the chromosomes were spread in the microscope slide, stained, photographed and exposed to an emulsion sensitive to low-energy radiation. Draw the metaphase cell of this culture showing the predicted distribution of radioactivity on the autoradiograph

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Biology: Haplopappus gracilis is a diploid plan
Reference No:- TGS0134941

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