题目内容

Supporters of all three theories would agree that:

A. imprinted genes evolved as a means of regulating reproduction-related events.
B. imprinted genes should be absent in non-placental animals (animals whose offspring develop without a placenta).
C. if an embryo is formed without female-imprinted genes, the future ability of the mother to bear off-spring will be jeopardized.
D. imprinted genes should always be turned off in the mother.

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Supporters of the protein control theory believe that:

A. imprinted genes are used to regulate crucial proteins.
B. imprinted genes are active only in females.
C. imprinted genes should not be found in monogamous species (ones that mate for life).
D. only the male passes down imprinted genes to the offspring.

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Supporters of all three theories would agree that:

Supporters of the protein control theory believe that:

否凭证修改时一定会留下修改痕迹。()

手工环境下账务处理工作强度大，但是数据简单不重复。()

会计电算化的第三层次是指将会计信息系统置于整个企业的管理信息系统之内，与其他管理部门高度