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Cellular Division
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Equator of Cell

Slide 39

Metaphase

Metaphase

Chromosomes lined at the Equator

Asters at the poles

Spindle Fibers

Slide 40

Metaphase

Metaphase

Aster

Chromosomes at Equator

Slide 41

Review of Metaphase

Review of Metaphase

What the cell looks like

What’s occurring

Slide 42

Anaphase

Anaphase

Occurs rapidly

Sister chromatids are pulled apart to opposite poles of the cell by kinetochore fibers

Slide 43

Anaphase

Anaphase

Sister Chromatids being separated

Slide 44

Anaphase Review

Anaphase Review

What the cell looks like

What’s occurring

Slide 45

Telophase

Telophase

Sister chromatids at opposite poles

Spindle disassembles

Nuclear envelope forms around each set of sister chromatids

Nucleolus reappears

CYTOKINESIS occurs

Chromosomes reappear as chromatin

Slide 46

Comparison of Anaphase & Telophase

Comparison of Anaphase & Telophase

Slide 47

Cytokinesis

Cytokinesis

Means division of the cytoplasm

Division of cell into two, identical halves called daughter cells

In plant cells, cell plate forms at the equator to divide cell

In animal cells, cleavage furrow forms to split cell

Slide 48

Cytokinesis

Cytokinesis

Cleavage furrow in animal cell

Cell plate in plant cell

Slide 49

Mitotic Stages

Mitotic Stages

Slide 50

Daughter Cells of Mitosis

Daughter Cells of Mitosis

Have the same number of chromosomes as each other and as the parent cell from which they were formed

Identical to each other, but smaller than parent cell

Must grow in size to become mature cells (G1 of Interphase)

Slide 51

Identical Daughter Cells

Identical Daughter Cells

Chromosome number the same, but cells smaller than parent cell

What is the 2n or diploid number?

2

Slide 52

Review of Mitosis

Review of Mitosis

Slide 53

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