Q525
Crossing over occurs in
A.
Single stranded stage
B.
Double stranded stage
C.
Four stranded stage
AnswerD.
All of the above
Answer: Option C
Solution
Answer: Option C
Solution:
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.