Which one of the following statements is incorrect regarding the pairing of homologous chromosomes during crossing over in prophase I of meiosis?

The pairing of homologous chromosomes during prophase I of meiosis is necessary for genetic recombination to occur between non-sister chromatids

The formation of a protein structure called the synaptonemal complex holds the homologous chromosomes together in a specific orientation during pairing.

The pairing of homologous chromosomes is a highly regulated process that ensures each homologous chromosome pairs with its proper partner.

Homologous chromosomes pair up randomly during prophase I of meiosis.