What is cells in root tip
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- Preparation and study of mitosis in onion root tips. Principle: Somatic growth in plants and animals takes place by the increase in the number of cells.
- A cell divides mitotically to form two daughter cells wherein the number of chromosomes remains the same (i.e., unchanged as in the mother cell.
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root-tip cells have a cell cycle of approximately 24-hour duration, i.e., they divide once in 24 hours, and this division usually takes place about two hours after sunrise. Therefore, roots grown on water should be cut only at that time to score maximum number of dividing cells.
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