© C. A. Hasenkampf/Biological Photo Service",
fb0:"This cell is in anaphase I. This meiotic stage is characterized by homologous chromosomes separated and moving toward the opposite poles of the cell.",
fb1:"Notice that this image shows homologous chromosomes separated and moving toward the opposite poles of the cell. "};
termdef[1] = {t:"Anaphase II",q:"
© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in anaphase II. This meiotic stage is characterized by two cells with sister chromosomes moving toward opposite ends of the cell.",
fb1:"Notice that this image shows two cells with sister chromosomes moving to opposite ends of the cell. "};
termdef[2] = {t:"Early prophase I",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in early prophase I. This meiotic stage is characterized by chromatin that is beginning to condense, but chromosomes are not distinct.",
fb1:"Notice that this image shows chromatin that is beginning to condense, but chromosomes are not distinct. "};
termdef[3] = {t:"Prometaphase",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in prometaphase. In this stage the chromosomes continue to coil and shorten. The chiasmata reflect crossing over, the exchange of genetic material between nonsister chromatids in a homologous pair. In prometaphase, the nuclear envelope breaks down.",
fb1:"In prometaphase the nuclear envelope breaks down."};
termdef[4] = {t:"Mid-prophase I",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in mid-prophase I. In this stage, synapsis aligns homologs, and chromosomes condense further.",
fb1:"In this stage, synapsis aligns homologs, and chromosomes condense further."};
termdef[5] = {t:"Metaphase I",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in metaphase I. This meiotic stage is characterized by homologous chromosome pairs lined up on the equatorial plate.",
fb1:"Notice that this image shows homologous chromosome pairs lined up on the equatorial plate. "};
termdef[6] = {t:"Metaphase II",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in metaphase II. This meiotic stage is characterized by two cells with chromosomes lined up in single file across the equator of the cell.",
fb1:"Notice that this image shows two cells with chromosomes lined up in single file across the equator of the cell. "};
termdef[7] = {t:"Prophase II",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in prophase II. This meiotic stage is characterized by two cells in which chromosomes are again condensing.",
fb1:"Notice that this image shows two cells in which chromosomes are again condensing. "};
termdef[8] = {t:"Telophase I",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in telophase I. This meiotic stage is characterized by homologous chromosomes that have reached the opposite poles of the cell; cell division may now occur.",
fb1:"Notice that this image shows homologous chromosomes that have reached the opposite poles of the cell; cell division may now occur. "};
termdef[9] = {t:"Telophase II",q:"© C. A. Hasenkampf/Biological Photo Service
",
fb0:"This cell is in telophase II. This meiotic stage is characterized by two cells with chromosomes gathering into nuclei; cell division may now occur.",
fb1:"Notice that this image shows two cells with chromosomes gathering into nuclei; cell division may now occur."};
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Textbook Reference: Key Concept 11.5 Meiosis Leads to the Formation of Gametes, p. 229