Abstract
A physical connection between homologs is required for reductional segregation at the first division of meiosis. This connection is usually provided by one or a few well-spaced crossovers. A speculative overview of processes leading to formation of these crossovers is presented.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Animals
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Biological Evolution
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Cell Cycle
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Chromosomes / physiology*
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Chromosomes / ultrastructure
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Crossing Over, Genetic*
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Humans
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Meiosis*
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Mitosis
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Plants
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Prophase
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Recombination, Genetic*
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Saccharomyces cerevisiae
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Synaptonemal Complex / physiology