Crossing over is a genetic process that occurs during meiOSis where homologous chromosomes exchange segments of genetic material. This exchange increases genetic diversity in offspring. In a diagram, you would illustrate two homologous chromosomes, each consisting of two sister chromatids, with sections of chromatids overlapping and exchanging segments, typically represented by crisscrossed lines. Label the homologous chromosomes, sister chromatids, and the crossover points where the exchange occurs.
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