No abstract available
MeSH terms
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Age Factors
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Animals
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Cell Nucleus
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Chromosome Aberrations
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Chromosomes
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Crossing Over, Genetic
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Cytogenetics
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Drosophila / physiology*
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Female
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Heterochromatin
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Meiosis*
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Membranes
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Microscopy, Electron
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Models, Biological
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Mutation
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Ovary / physiology*
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Ovum / cytology*