Meiosis: Where the Sex Starts - Crash Course Biology

The video explores sexual reproduction, focusing on meiosis, a process that creates genetic diversity. It contrasts meiosis with mitosis, explaining how meiosis results in four genetically distinct haploid cells. The stages of meiosis, including prophase I with crossover and recombination, are detailed. The video also covers the formation of gametes, highlighting the differences in sperm and egg production. The importance of genetic variation for natural selection and adaptation is emphasized.

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