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location in the body.
. Define meiosis and summarize the events of meiosis I and
meiosis II.
Identify the result of crossing over



Answer :

GinnyAnswer

Final answer:

Meiosis involves two divisions that lead to genetic diversity through processes like crossing over. Crossing over promotes genetic variation by exchanging genetic material between homologous chromosomes.


Explanation:

Meiosis and Crossing Over

Meiosis: Meiosis is a type of cell division that produces gametes with half the number of chromosomes as the parent cell, leading to genetic diversity.

  1. Meiosis I: During prophase I, crossing over occurs where homologous chromosomes exchange genetic material. In metaphase I, homologous chromosomes line up in pairs. At the end of meiosis I, two haploid cells are formed.
  2. Meiosis II: In meiosis II, sister chromatids separate, similar to mitosis, resulting in a total of four haploid daughter cells.
  3. Crossing Over: Crossing over is the exchange of genetic material between homologous chromosomes during prophase I, leading to genetic variation.

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