Meiosis

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What is Meiosis?

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Meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically diverse gametes. It is essential for sexual reproduction.

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What is the main purpose of Meiosis?

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The main purpose of Meiosis is to produce gametes (sperm and eggs) for sexual reproduction, ensuring genetic diversity.

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How many rounds of division occur in Meiosis?

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Meiosis consists of two rounds of division: Meiosis I and Meiosis II.

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What is a zygote?

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A zygote is the fertilized egg that results from the union of a sperm and an egg, marking the beginning of a new organism.

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What are gametes?

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Gametes are reproductive cells (sperm and eggs) that carry half the genetic information of an organism.

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What is the difference between Mitosis and Meiosis?

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Mitosis results in two identical daughter cells, while Meiosis results in four genetically different gametes.

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What happens during Prophase I of Meiosis?

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During Prophase I, homologous chromosomes pair up and exchange genetic material through a process called crossing over.

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What is crossing over?

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Crossing over is the exchange of genetic material between homologous chromosomes during Prophase I of Meiosis, increasing genetic diversity.

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What are homologous chromosomes?

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Homologous chromosomes are pairs of chromosomes, one from each parent, that have the same genes but may have different alleles.

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What is the end result of Meiosis?

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The end result of Meiosis is four haploid cells, each with half the number of chromosomes of the original cell.