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Which of the following best describes how crossing over occurs during meiosis?

During prophase I, homologous chromosomes are lined up and pulled apart to opposite poles.
During prophase II, sister chromatids trade places with each other before metaphase begins.
During prophase I, segments of chromatids are exchanged between homologous chromosomes.
During prophase II, spindle fibers begin to form, attaching chromosomes together.

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During prophase I, segments of chromatids are exchanged between homologous chromosomes.

What is crossing over?

Crossing over is the exchange of chromatid segments between homologous chromosome pairs during the early stages of meiotic division.

Crossing over occurs after the pairing of chromosomes to form tetrads at prophase I of meiosis I.

More on crossing over can be found here: https://brainly.com/question/19671756

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