Q. The enzyme involved in the crossing over between two homologous chromosome is

 4338  237 J & K CETJ & K CET 2014Cell Cycle and Cell Division Report Error

Solution:

Crossing over is the mutual exchange of genetic material between non-sister chromatids of two homologous chromosomes. It is an enzyme mediated process. A multienzyme complex called recombinase present in recombination nodules, is involved. It comprises of enzymes endonuclease, exonuclease, unwindase, R-protein, etc., with different functions during crossing over.