Crossing over takes place between which chromatids and in which stage of the cell cycle?
A. Non-sister chromatids of nonhomologous chromosomes at Pachytene stage of prophase I
B. Non-sister chromatids of nonhomologous chromosomes at Zygotene stage of prophase I
C. Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I
D. Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I
Answer:C
Crossing over takes place between which chromatids and in which stage of the cell cycle?
A. Non-sister chromatids of nonhomologous chromosomes at Pachytene stage of prophase I B. Non-sister chromatids of nonhomologous chromosomes at Zygotene stage of prophase I C. Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I D. Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I