The enzyme recombinase is required at which stage of meiosis? (a) Pachytene (b) Zygotene (c) Diplotene (d) Diakinesis
Option A Pachytene is characterized by the appearance of recombination nodules, the sites at which crossing over occurs between nonsister chromatids of the homologous chromosomes. Nodules contain multienzyme complex called recombinase. Recombinase is made of endonuclease, exonuclease, unwindase, Rprotein, etc.
