Crossing over is a process which contributes to diversity in offspring of an organism. Which statement BEST explains this process? A b b B Sister chromatids separate to form haploid cells during anaphase II O Homologous chromosomes exchange genetic information during prophase! O A sister chromatid from one homologous pairs switches places with a sister chromatid from a different homologous pair. During metaphase II, sister chromatids of a homologous pair exchange genetic information.