The scientists were able to replicate the gene variation in a strain of mice and found that the mice needed less sleep than usual, too.

科学家能够在一种老鼠的身上复制这一基因变异，结果发现，这种老鼠需要的睡眠时间也比平常少了。

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Objective To clarify the features of gene variation among epidemic strains of human rotavirus NSP4 in China.

目的研究我国轮状病毒流行株nsp4基因的变异特点。

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Conclusion 5 '-ncr is more conserved than the core region and the genotype is the major cause of gene variation.

结论5′- NCR序列保守性大于核心区。型别是导致基因变化的主要原因。

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Conclusion 5 '- NCR is more conserved than the core region and the genotype is the major cause of gene variation.

结论5'-NCR序列保守性大于核心区。型别是导致基因变化的主要原因。

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Conclusion 5 '- NCR is more conserved than the core region and the genotype is the major cause of gene variation.

结论5'-NCR序列保守性大于核心区。型别是导致基因变化的主要原因。

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