MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

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MITOSIS MEIOSIS Parent cell (2n) Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison

Transcript of MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

Page 1: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Parent cell (2n)

Parent cell (2n)

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 2: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Prophase

Prophase I

No synapsis ofhomologouschromosomes

Synapsis andcrossing overof homologs

Homologouschromosomepairs

Crossover

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 3: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Metaphase

Metaphase I

Individualchromosomesalign at theequatorial plate.

Homologouspairs align at theequatorial plate.

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 4: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Anaphase

Anaphase I

Centromeresseparate. Sisterchromatidsseparate duringanaphase, becomingdaughterchromosomes.

Centromeresdo not separate;sister chromatidsremain togetherduring anaphase;homologs separate;DNA does notreplicate beforesubsequent prophase.

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 5: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Two daughter cells (each 2n)

Telophase I

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 6: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Metaphase II

No further division

Figure 9.17 Mitosis and Meiosis: A Comparison

Page 7: MITOSIS MEIOSIS Parent cell (2n) Figure 9.17 Mitosis and Meiosis: A Comparison.

MITOSIS

MEIOSIS

Four daughter cells (each n)

Chromatidsseparate.

No further division

Figure 9.17 Mitosis and Meiosis: A Comparison