Which of the following is not a characteristic feature during mitosis in somatic cells?

Synapsis is a pairing of homologous chromosomes which occurs during meiosis (Zygotene sub-stage of Prophase-I) but it is absent in mitosis.

Chromosome pairing refers to the lengthwise alignment of homologous chromosomes at the prophase stage of meiosis. Most sexually reproducing organisms have two sets of chromosomes, out of which one set is inherited from each parent.