Q. When parental and maternal chromosomes change their material with each other in cell division, this event is called
A) Bivalent forming
B) Crossing over
C) Synapsis
D) Dyad forming
Explanation
Chromosomal crossing over is the exchange of genetic material between homologous chromosomes that results in the recombinant chromosomes. It occurs during prophase-I of meiosis
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.