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  1. What important event occurs during prophase I of meiosis that does not happen in mitosis?
Areplication of DNA
Bcrossing over between homologous chromosomes
Cthe nuclear envelope disappears
Dformation of spindle fibers
  1. What occurs during crossing over?
Atwo complete chromatids switch places
Bchromosomes move the other side of the cell
Cportions of homologous chromosomes interchange
Dchromosome number is cut in half

Verified Answer :

taskmasters
  1. "Replication of DNA" is the important event that occurs during prophase I of meiosis that does not happen in mitosis. The correct option among all the options given in the question is option "A".

    4. "P    ortions of homologous chromosomes interchange" is what occurs during crossing over. The correct option among all the options that are given in the question is the third option or option "C".

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