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Meiosis Meiosis I Meiosis II Meiosis I Interphase IInterphase I Prophase IProphase I Metaphase IMetaphase I Anaphase IAnaphase I Telophase ITelophase.

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Presentation on theme: "Meiosis Meiosis I Meiosis II Meiosis I Interphase IInterphase I Prophase IProphase I Metaphase IMetaphase I Anaphase IAnaphase I Telophase ITelophase."— Presentation transcript:

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2 Meiosis Meiosis I Meiosis II

3 Meiosis I Interphase IInterphase I Prophase IProphase I Metaphase IMetaphase I Anaphase IAnaphase I Telophase ITelophase I

4 Meiosis II Interphase IIInterphase II Prophase IIProphase II Metaphase IIMetaphase II Anaphase IIAnaphase II Telophase IITelophase II

5 Mitosis Mitosis

6 Meiosis

7 Meiosis I

8 Meiosis II

9 Diploid Cell 2N = 4 Two Homologous Chromosomes

10 Interphase 1 DNA is synthesized during the S phase

11 Prophase I: (1)The duplicated chromosomes condense and become visible. (2) Spindle forms.

12 (3) The nucleolus disperses (4) The nuclear membrane disperses

13 (5) Homologous chromosomes pair

14 (6) and cross over

15 Metaphase I Paired homologous chromosomes align at the metaphase plate

16 Anaphase I The homologues separate from each other, but sister chromatids remain linked at their centromeres

17 Telophase I: Cytokinesis that follows produces 2 daughter cells, each has 2 chromosomes consisting of 2 sister chromatids

18 Prophase II

19 Metaphase II

20 Anaphse II

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22 Telophase II

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24 Identify the following phase

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28 Question 1 Homologous chromosomes A.Pair up during meiosis B.Are in pairs, one chromosome of each pair comes from the father and one from the mother C.May exchange parts during meiosis D.All the above

29 Questions 2 & 3 True/False Question 2: Asexual reproduction produces variationsQuestion 2: Asexual reproduction produces variations Question 3: Sexual reproduction produces variationsQuestion 3: Sexual reproduction produces variations

30 Answers Question 1: DQuestion 1: D Question 2: FQuestion 2: F Question 3: TQuestion 3: T


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