BIOL 234 - Review of mitosis and meiosis

BIOL 234 - Review of mitosis and meiosis - Mitosis and...

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BIOL 234 Summer 2017 Mitosis and Meiosis – Review Learning outcomes 1. Describe the differences in DNA content, ploidy, chromosome number, chromatid number, and number of DNA helices between a cell in G1, G2, and the various stages of mitosis and meiosis 2. Use diagrams to illustrate the DNA double helix in chromosomes before and after DNA replication (in G1 and G2), and during different stages of mitosis and meiosis 3. Distinguish between chromosomes, homologous chromosomes, and chromatids (sister, non-sister); be able to draw these structures and to identify them in diagrams 4. Be able to identify the stages of mitosis or meiosis, based on drawings of chromosomes in a cell; justify your identifications using descriptions of the stages (what is happening to the chromosomes) and consequences of mitosis/meiosis 5. Given the ploidy (n, 2n, 3n, 11n, etc .) and total number of chromosomes in a cell, use accurate diagrams to illustrate any stage of mitosis or meiosis Questions 1. Distinguish between chromosomes, homologous chromosomes, and (sister/non-sister) chromatids by explaining how they are similar and/or different. Draw diagrams to illustrate your explanations.
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2. Draw a cell that is 2 n = 6 at the following stages: before DNA replication (G1), after DNA replication
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