Multiple Choice
During which phase of meiosis do sister chromatids separate and move to opposite poles?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
Which description best defines telophase I in meiosis?
A
Homologous chromosomes pair (synapsis) to form tetrads and crossing over occurs between non-sister chromatids.
B
Homologous chromosomes finish separating to opposite poles, nuclear envelopes may reform, cytokinesis may occur, and each resulting cell is haploid with sister chromatids still joined.
C
Sister chromatids separate at the centromeres and move to opposite poles, producing haploid cells with single chromatids.
D
Chromosomes align individually along the metaphase plate with sister chromatids attached to spindle fibers from opposite poles.
Verified step by step guidance1
Recall the stages of meiosis I and meiosis II, focusing on the key events that characterize each phase.
Identify that telophase I occurs at the end of meiosis I, after homologous chromosomes have been separated.
Understand that during telophase I, homologous chromosomes reach opposite poles, and the cell may begin to divide (cytokinesis), forming two haploid cells.
Note that in telophase I, sister chromatids remain attached at their centromeres, so the chromosomes are still duplicated.
Compare the descriptions given to these characteristics to determine which best matches telophase I.
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