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Sister chromatids of a pair of homologous chromosomes form tetrads, and crossing-over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs during which phase

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Crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

WHAT IS MEIOSIS?

Meiosis is the process whereby a single cell produces four daughter cells that are genetically different from one another.

Meiosis is able to ensure genetic diversity in the daughter cells due to a process called Crossing over.

Crossing over is the exchange of genetic material between the non-sister chromatids of homologous chromosomes. It occurs in the prophase I stage of meiosis.

Therefore, crossing over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs in the prophase I stage of meiosis.

Learn more about crossing over at: https://brainly.com/question/394891

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