NEET 2016 Biology question
A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in:
Answer: (2)
Solution
If cytokinesis fails (no cell plate formation) after the chromosomes have been separated in telophase, the cell ends up with a doubled chromosome number in one nucleus (or two nuclei), giving a polyploid cell (3n, 4n, etc.: whole sets of chromosomes in excess) - polyploidy. Hence
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