2022 Phase 2 Cell Cycle and Cell DivisionCrossing over Easy Question 28 of 87 in Cell Cycle and Cell Division

In meiosis, crossing over and exchange of material between homologous chromosomes catalyzed by the enzyme:

A Polymerase
B Phosphorylase
C Recombinase
D Transferase

The answer is C.

Solution

Crossing over, the exchange of genetic material between non-sister chromatids of homologous chromosomes during pachytene, is catalysed by the enzyme recombinase.

Concept Crossing over

Cell Cycle and Cell Division in past papers

87 questions from this chapter have appeared across 23 exam years.