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Record Slide Show Subtitle Settings Show Media Controls What allows sister chromatids to finally separate, and in which phase of meiosis does this occur? release of cohesin along sister chromatid arms in anaphase I b) crossing over of chromatids in prophase I c) release of cohesin at centromeres in anaphase I d) release of cohesin at centromeres in anaphase II e) crossing over of homologs in prophase I

Record Slide Show Subtitle Settings Show Media Controls What allows sister chromatids to finally separate, and in which phase of meiosis does this occur? release of cohesin along sister chromatid arms in anaphase I b) crossing over of chromatids in prophase I c) release of cohesin at centromeres in anaphase I d) release of cohesin at centromeres in anaphase II e) crossing over of homologs in prophase I

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Meiosis and Chromatid Separation** During the process of meiosis, sister chromatids are eventually separated to ensure the proper distribution of genetic material to the resulting gametes. The question addressed here focuses on the phase of meiosis where this separation occurs and the mechanisms involved. **Question:** What allows sister chromatids to finally separate, and in which phase of meiosis does this occur? **Options:** a) Release of cohesin along sister chromatid arms in anaphase I b) Crossing over of chromatids in prophase I c) Release of cohesin at centromeres in anaphase I d) Release of cohesin at centromeres in anaphase II e) Crossing over of homologs in prophase I The correct answer to this question is **d) Release of cohesin at centromeres in anaphase II**. This occurs because the enzyme separase cleaves cohesin at the centromeres, allowing sister chromatids to finally separate and move to opposite poles of the cell. This slide is part of a PowerPoint presentation titled "Chapter 13 clicker questions" prepared by Pearson Education, Inc., aimed at enhancing student understanding of key concepts in meiosis.
Transcribed Image Text:**Meiosis and Chromatid Separation** During the process of meiosis, sister chromatids are eventually separated to ensure the proper distribution of genetic material to the resulting gametes. The question addressed here focuses on the phase of meiosis where this separation occurs and the mechanisms involved. **Question:** What allows sister chromatids to finally separate, and in which phase of meiosis does this occur? **Options:** a) Release of cohesin along sister chromatid arms in anaphase I b) Crossing over of chromatids in prophase I c) Release of cohesin at centromeres in anaphase I d) Release of cohesin at centromeres in anaphase II e) Crossing over of homologs in prophase I The correct answer to this question is **d) Release of cohesin at centromeres in anaphase II**. This occurs because the enzyme separase cleaves cohesin at the centromeres, allowing sister chromatids to finally separate and move to opposite poles of the cell. This slide is part of a PowerPoint presentation titled "Chapter 13 clicker questions" prepared by Pearson Education, Inc., aimed at enhancing student understanding of key concepts in meiosis.
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