reproductive system
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• male germ cells grown in culture exhibit higher mortality than wild-type germ cells
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• degeneration of testes tissue: testes become relatively smaller throughout life resulting from severe tissue structure deterioration such that 28-week-old testes is hollow
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• abnormalities in the development of primary spermatocytes
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cellular
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• male germ cells grown in culture exhibit higher mortality than wild-type germ cells
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endocrine/exocrine glands
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• degeneration of testes tissue: testes become relatively smaller throughout life resulting from severe tissue structure deterioration such that 28-week-old testes is hollow
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homeostasis/metabolism