Identify the stages of Meiosis where each event happens*8 pointsP-I M-i A-I T-I P-II M-II A-II T-IIChromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells Spindle fibers contract and separate the sister chromatids, chromatids (now called chromosomes)move to opposite poles Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs Spindle fibers from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator. Spindle fibers contract and split the bivalent, homologous chromosomes move to opposite poles of the cell Spindle fibers from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before) Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells Chromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells Spindle fibers contract and separate the sister chromatids, chromatids (now called chromosomes)move to opposite poles Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs Spindle fibers from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator. Spindle fibers contract and split the bivalent, homologous chromosomes move to opposite poles of the cell Spindle fibers from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before) Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells
Question
Identify the stages of Meiosis where each event happens*8 pointsP-I M-i A-I T-I P-II M-II A-II T-IIChromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells Spindle fibers contract and separate the sister chromatids, chromatids (now called chromosomes)move to opposite poles Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs Spindle fibers from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator. Spindle fibers contract and split the bivalent, homologous chromosomes move to opposite poles of the cell Spindle fibers from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before) Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells Chromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells Spindle fibers contract and separate the sister chromatids, chromatids (now called chromosomes)move to opposite poles Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs Spindle fibers from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator. Spindle fibers contract and split the bivalent, homologous chromosomes move to opposite poles of the cell Spindle fibers from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before) Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells
Solution
The stages of Meiosis where each event happens are as follows:
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Chromosomes condense, nuclear membrane dissolves, homologous chromosomes form bivalents, crossing over occurs - This happens in Prophase I (P-I).
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Spindle fibers from opposing centrosomes attach to chromosomes (at centromere) and align them along the cell equator - This happens in Metaphase I (M-I).
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Spindle fibers contract and split the bivalent, homologous chromosomes move to opposite poles of the cell - This happens in Anaphase I (A-I).
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Chromosomes decondense, nuclear membrane may reform, cell divides (cytokinesis) to form two haploid daughter cells - This happens in Telophase I (T-I).
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Chromosomes condense, nuclear membrane dissolves, centrosomes move to opposite poles (perpendicular to before) - This happens in Prophase II (P-II).
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Spindle fibers from opposing centrosomes connect to bivalents (at centromeres) and align them along the middle of the cell - This happens in Metaphase II (M-II).
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Spindle fibers contract and separate the sister chromatids, chromatids (now called chromosomes) move to opposite poles - This happens in Anaphase II (A-II).
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Chromosomes decondense, nuclear membrane reforms, cells divide (cytokinesis) to form four haploid daughter cells - This happens in Telophase II (T-II).
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