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In metaphase I of meiosis, the homologous chromosomes line up side by side along the e that (a) crossing over (exhange of DNA regions) can occur between the homologous pairs homologous chromosomes can be pulled to opposite poles during anaphase I. In mitosis, contrast, homologous chromosomes line up single file along the equator. What benefits are derived from these two different ways that homologous chromosomes positioned at metaphase in meiosis and mitosis?

In metaphase I of meiosis, the homologous chromosomes line up side by side along the e that (a) crossing over (exhange of DNA regions) can occur between the homologous pairs homologous chromosomes can be pulled to opposite poles during anaphase I. In mitosis, contrast, homologous chromosomes line up single file along the equator. What benefits are derived from these two different ways that homologous chromosomes positioned at metaphase in meiosis and mitosis?

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In metaphase I of meiosis, the homologous chromosomes line up side by side along the equator so that (a) crossing over (exhange of DNA regions) can occur between the homologous pairs and (b) the homologous chromosomes can be pulled to opposite poles during anaphase I. In mitosis, by contrast, homologous chromosomes line up single file along the equator. What benefits are derived from these two different ways that homologous chromosomes are positioned at metaphase in meiosis and mitosis?
Transcribed Image Text:In metaphase I of meiosis, the homologous chromosomes line up side by side along the equator so that (a) crossing over (exhange of DNA regions) can occur between the homologous pairs and (b) the homologous chromosomes can be pulled to opposite poles during anaphase I. In mitosis, by contrast, homologous chromosomes line up single file along the equator. What benefits are derived from these two different ways that homologous chromosomes are positioned at metaphase in meiosis and mitosis?
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