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