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Unformatted text preview: 4 Meiosis 1. Why must a cell undergo meiosis? To produce gametes for sexual reproduction 2. For the same starting cell with 2N=4 above, draw the following phases of meiosis. Metaphase I Telophase I Metaphase II Telophase II 2N N N N 3. In the cells above, write 2N next to cells that are diploid and an N next to the cells that are haploid. Does the first or second division cause haploidy? First division 4. Fill in the following chart for the number of chromosomes and number of chromatids that would be present at each stage Cell beginning with 10 chromosomes Cell beginning with 46 chromosomes Cell beginning with 2N chromosomes Chromosomes Chromatids Chromosomes Chromatids Chromosomes Chromatids Metaphase of mitosis 10 20 46 92 2N 4N Telophase of mitosis 10 46 2N Telophase I of meiosis 5 10 23 46 N 2N Bio93 Discussion Week 6 11/01/10 Telophase II of meiosis 5 23 N Bio93 Discussion Week 6 11/01/10...
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- Fall '10