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InterviewSolution
| 1. |
Explain prophase - 1 |
| Answer» Prophase1 is divided into five sub phases1)Laptotene:In laptotene stage the chromatin condensed to form chromosome.The chromosome are clearly visible under microscope.2)Zygotene:In this stage pairing of chromosome takes place which is called synapses and the structure is called biovaplent3)Pachytene:In this stage the non sister chromatids are attached to each other and exchange their DNA which is called crossing over4) Diplotene:In this stage after exchanging the genetic material the non sister chromatids are separated.Here the nuclear membrane and disappearing5)Diakinesis:diakinesis is the last stage of prophase 1. the nuclear membrane and nucleolus is completely disappeared .Centriole moves to the opposite pole. | |