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Shibu oli asked a question

The stage of cell division in which paired homologous chromosomes get shortened and thickened is prophase I of meiosis. During this stage, the chromosomes condense and become visible as distinct structures, allowing for the homologous chromosomes to pair up and exchange genetic material through a process called crossing over. The shortening and thickening of the chromosomes during prophase I is important for proper alignment and separation of the homologous chromosomes during subsequent...

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Diwas Pandit asked a question

Yes, if the angle between the two vectors is more than 90o but less than 2700. (cosΘ is negative)

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