Multiple choice

Name the stage of cell cycle at which the following events occurs.

  1. Chromosomes are moved to spindle equator.
  2. Centromere splits and chromatids separate.
  3. Pairing between homologous chromosomes takes place.
  4. Crossing over between homologous chromosomes takes place.

    1. Anaphase, 2. Metaphase, 3. Zygotene, 4. Pachytene
    1. Anaphase, 2. Pachytene, 3. Zygotene, 4. Metaphase
    1. Metaphase, 2. Anaphase, 3. Zygotene, 4. Pachytene
    1. Anaphase, 2. Metaphase, 3. Pachytene, 4. Zygotene
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Explanation
  1. Anaphase  -Chromosomes are moved to spindle equator.
    1. Metaphase -Centromere splits and chromatids separate.
    2. Zygotene -Pairing between homologous chromosomes takes place.
    3. Pachytene -Crossing over between homologous chromosomes takes place.

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