1. Compare and contrast mitosis and meiosis by placing a check in the appropriate space if the feature applies. Features Mitosis Meiosis I Meiosis II Preceded by replication of DNA. Involves a reduction division. Involves synapsis(pairing of homologous chromosomes). Chiasmata formed(crossing over). At metaphase the centromeres lie on the equatorial plane. At metaphase the centromeres of homologous chromosomes lie on either side of the equatorial plane. At anaphase chromatids separate and move to opposite poles. At anaphase homologous chromosomes separate and move to opposite poles. Number of daughter nuclei generated from parent nucleus.(provide the number) Daughter nuclei have the same number (2n) of chromosomes as parent nucleus. Daughter nuclei have 1/2 (n) the number of chromosomes. Daughter nuclei have the same chromosome as the parent nuclei. Daughter nuclei have entirely new combinations of chromosomes. For growth and development of somatic cells/vegetative cells. For gamete formation during sexual reproduction. 2. Essay: What is the significance of meiosis with respect to sexual reproduction?

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Chapter1: The Human Body: An Orientation

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1. Compare and contrast mitosis and meiosis by placing a check in the appropriate space if the feature applies.

Features	Mitosis	Meiosis I	Meiosis II
Preceded by replication of DNA.
Involves a reduction division.
Involves synapsis (pairing of homologous chromosomes).
Chiasmata formed (crossing over).
At metaphase the centromeres lie on the equatorial plane.
At metaphase the centromeres of homologous chromosomes lie on either side of the equatorial plane.
At anaphase chromatids separate and move to opposite poles.
At anaphase homologous chromosomes separate and move to opposite poles.
Number of daughter nuclei generated from parent nucleus. (provide the number)
Daughter nuclei have the same number (2n) of chromosomes as parent nucleus.
Daughter nuclei have 1/2 (n) the number of chromosomes.
Daughter nuclei have the same chromosome as the parent nuclei.
Daughter nuclei have entirely new combinations of chromosomes.
For growth and development of somatic cells/vegetative cells.
For gamete formation during sexual reproduction.