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Meiosis

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    Grade 12 A level Unit 16 Inheritance
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  • True or False: Meiosis starts with a diploid cell.
    True
  •  10
  • During which meiosis phase(s) does the nuclear membrane breakdown?
    Prophase 1 and 2
  •  15
  • Pairs of homologous chromosomes line-up independently of each other during which phase of meiosis?
    Metaphase 1
  •  15
  • True or false: 4 genetically identical cells are produced at the end of meiosis 2.
    false
  •  10
  • In which stage of meiosis are sister chromatids separated?
    Anaphase 2
  •  10
  • In which stage of meiosis are homologous chromosomes separated?
    anaphase 1
  •  10
  • During which phase of meiosis does crossing over happen?
    Prophase 1
  •  10
  • How many pair of sex chromosomes do human skin cells have?
    1
  •  10
  • Which sex chromosomes do skin cells of a male human contain?
    XY
  •  10
  • Name two haploid human cells?
    Egg and sperm
  •  15
  • In which stage of meiosis do homologous chromosomes pair to form bivalents?
    Prophase 1
  •  10
  • The diploid (2n) chromosome number of a mammal is 12. How many chromosomes do its eggs contain?
    6
  •  10
  • Which stage of meiosis is shown in the diagram?
    anaphase 2
  •  10
  • Which stage of meiosis is shown in the diagram?
    telophase 1
  •  10
  • Which stage of meiosis is shown in the diagram?
    metaphase 2
  •  10
  • Which stage of meiosis is shown in the diagram?
    Metaphase 1
  •  10