Crossing over occurs in
A. Single stranded stage
B. Double stranded stage
C. Four stranded stage
D. All of the above
Answer: Option C
Solution (By Examveda Team)
Crossing over occurs in Four stranded stage.Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes.
Crossing over takes place between two chromosomes when they are in the four-stranded stage, two each.
This Question Belongs to Agriculture >> Genetics And Plant Breeding
Join The Discussion