But they are meant to be complete enough to provide information about what might be going on in the embryo during a pregnancy.

但它们应该足够完整，以提供有关怀孕胎中可能会发生情况信息。

Raquel says that while the essential processes involved in early embryogenesis are similar across mammalian species, the pattern of endogenous retrovirus sequences isn't.

拉尔指出，尽管早胎发生过程中基本过程在哺乳动物物种相似，但内源性逆转录病毒序列分布模式却各不相同。