Question
Biology Question on cell cycle and cell division
Crossing over takes place between which chromatids and in which stage of the cell cycle ?
A
Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I.
B
Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
C
Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I.
D
Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.
Answer
Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
Explanation
Solution
Answer (b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.