8. Amoeba Sisters Mitosis & Meiosis

What is a diploid cell?

• A cell that has two sets of chromosomes.

• A cell that has half the number of chromosomes as the original starting cell.

• It is another name for a sex cell.

• A cell that lacks a cell wall.

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What major event happens during interphase of mitosis and meiosis?

• Spindle fibers form

• Centrioles are duplicated

• Chromosomes are duplicated

• A cleavage furrow forms

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How does prophase of mitosis differ from prophase I of meiosis?

• During prophase I of meiosis, the homologous chromosomes line up side-by-side and eventually crossing over occurs, making recombinant chromosomes. This does not occur during

  prophase of mitosis.

• Chromosomes do not condense during prophase 1 of meiosis, but they do condense during prophase of mitosis.

• During prophase of mitosis, the homologous chromosomes line up side-by-side and eventually crossing over occurs, making recombinant chromosomes. This does not occur during

  prophase 1 of meiosis.

• During prophase I of mitosis, the homologous chromosomes line up side-by-side and eventually crossing over occurs, making recombinant chromosomes. This does not occur during

  prophase of meiosis.

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How does metaphase of mitosis differ from metaphase I of meiosis?

• During metaphase 1 of meiosis, the chromosomes line up single file down the middle of the cell, and during metaphase of mitosis, the homologous chromosomes line up side-by-side down the middle of the cell.

• During metaphase of mitosis, the chromosomes line up single file down the middle of the cell, and during metaphase 1 of meiosis, the homologous chromosomes line up side-by-side down the middle of the cell.

• Chromosomes are duplicated during metaphase of mitosis. This not occur during metaphase 1 of meiosis.

• During metaphase of mitosis, the homologous chromosomes line up side-by-side and eventually crossing over occurs, making recombinant chromosomes. This does not occur during

  metaphase 1 of meiosis.

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How does anaphase of mitosis differ from anaphase I of meiosis?

• During anaphase 1 of meiosis, DNA is replicated, and during anaphase of mitosis, the DNA is not replicated.

• During anaphase 1 of meiosis, the sister chromatids are pulled apart by the spindle fibers, and during anaphase of mitosis, the homologous chromosomes are pulled apart.

• During anaphase of mitosis, the sister chromatids are pulled apart by the spindle fibers, and during anaphase 1 of meiosis, the homologous chromosomes are pulled apart.

• During anaphase 1 of meiosis, cytokinesis occurs, and during anaphase of mitosis, cytokinesis does not occur.

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How do the cells that completed telophase of mitosis differ from the cells that completed telophase I of meiosis?

• Telophase of mitosis makes two, identical diploid cells. Telophase 1 of meiosis makes two haploid cells that are not identical.

• Telophase of mitosis is a much slower process than telophase 1 of meiosis.

• Telophase 1 of meiosis makes two, identical diploid cells. Telophase of mitosis makes two haploid cells that are not identical.

• There is no difference. The cells are identical.

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What is the main purpose of meiosis II?

• To replicate the DNA.

• To separate the sister chromatids, forming four haploid cells (gametes) that are not identical.

• To separate the homologous chromosomes, forming two haploid cells (gametes) that are not identical.

• To separate the sister chromatids, forming two diploid cells (gametes) that are identical.

A fertilized egg

• Somatic cell

• Gamete

• Zygote

• Haploid

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