40-50 - 40 How does metaphase I of meiosis differ from...

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40. How does metaphase I of meiosis differ from metaphase in mitosis? Metaphase I : homologous pairs line up at metaphase plate. This alignment organizes the homologous so that they will be divided evenly. Metaphase: chromosomes line up along metaphase plate 41. How does anaphase I of meiosis differ from anaphase in mitosis? Anaphase I : Homologues separate and migrate towards opposite ends of cell Anaphase : chromosomes separate and migrate towards opposite ends of cell 42. What does ‘disjunction’ refer to? Disjunction: the separation of chromosomes during anaphase I and II in meiosis. 43. Be able to identify the phases of mitosis and meiosis. 44. Explain various ways in which sexual reproduction contributes to genetic diversity. Crossing over at chiasmata in meiosis I shuffles the alleles on homologous chromosomes Independent assortment gives alternative orientation of homologous chromosomes during metaphase 45. How do spermatogenesis and oogenesis differ? Spermatogenesis
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40-50 - 40 How does metaphase I of meiosis differ from...

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