Mitosis and Meiosis phases

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26 Terms

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cell division

The process by which one cell divides to become two cells

<p>The process by which one cell divides to become two cells</p>
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cell cycle

An ordered sequence of events in the life of a cell

<p>An ordered sequence of events in the life of a cell</p>
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interphase

The period between cell divisions when the cell grows and performs its usual functions.

<p>The period between cell divisions when the cell grows and performs its usual functions.</p>
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prophase

The first phase of mitosis in which chromosomes become visible, the nuclear envelop dissolves, and the spindle forms

<p>The first phase of mitosis in which chromosomes become visible, the nuclear envelop dissolves, and the spindle forms</p>
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mitosis

A process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase.

<p>A process of nuclear division in eukaryotic cells conventionally divided into five stages: prophase, prometaphase, metaphase, anaphase, and telophase.</p>
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metaphase

The second of 4 divisions of mitosis when the centromeres of duplicated and chromosomes are aligned on a central plane. Fully formed spindle fibers attach to the sister chromatids from opposite poles

<p>The second of 4 divisions of mitosis when the centromeres of duplicated and chromosomes are aligned on a central plane. Fully formed spindle fibers attach to the sister chromatids from opposite poles</p>
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anaphase

"Third phase of mitosis, beginning when sister chromatids separate from each other and ending when a complete set of daughter chromosomes have arrived at each of the two poles of the cell"

<p>"Third phase of mitosis, beginning when sister chromatids separate from each other and ending when a complete set of daughter chromosomes have arrived at each of the two poles of the cell"</p>
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telophase

The fourth and final stage of mitosis, in which daughter nuclei are forming and cytokinesis has typically begun.

<p>The fourth and final stage of mitosis, in which daughter nuclei are forming and cytokinesis has typically begun.</p>
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cytokinesis

Division of the cytoplasm during cell division

<p>Division of the cytoplasm during cell division</p>
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Diploid

describes a cell that has pairs of chromosomes

<p>describes a cell that has pairs of chromosomes</p>
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Haploid

describes a cell that has only one chromosome from each pair

<p>describes a cell that has only one chromosome from each pair</p>
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prophase I(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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prophase II(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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metaphase I(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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metaphase II(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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anaphase I(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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anaphase II(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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telophase I(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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telophase II(diagram)

Meiosis Phase

<p>Meiosis Phase</p>
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prophase I

crossing over occurs during this phase

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anaphase I

homologous paired chromosomes are pulled to opposite poles

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telophase II

results in 4 cells

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metaphase I&II

Chromosomes line up along equator

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Sperm

male gamete

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Egg

female gamete

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Meiosis

Cell division that produces reproductive cells in sexually reproducing organisms

<p>Cell division that produces reproductive cells in sexually reproducing organisms</p>