No abstract available
MeSH terms
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Animals
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Biological Evolution*
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Cell Differentiation
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Female
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Hydra / cytology
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Hydra / genetics
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Hydra / physiology
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Male
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Mutation
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Ovum / cytology*
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Ovum / physiology*
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Reproduction* / genetics
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Reproduction, Asexual / genetics
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Spermatozoa / physiology