Which of the following does NOT occur in prophase I of meiosis?

Which of the following does NOT occur in prophase
  I of meiosis?
  a. cytokinesis
  b. pairing of homologues
  c. formation of a bipolar spindle
  d. crossing over
  e. condensation of chromosomes

Question 2

Crossing over is one of the most important events in
  meiosis because
  a. it produces new combinations of alleles on
  chromosomes.
  b. homologous chromosomes must be separated
  into different daughter cells.
  c. the number of chromosomes allotted to each
  daughter cell must be halved.
  d. homologous chromatids must be separated into
  different daughter cells.
  e. all of these reasons are true.