由此产生的杂交后代长成了一个名为胚泡的小胚胎，被植入代孕母亲的子宫，然后变成了多莉。
The resulting hybrid grew into a tiny embryo known as a blastocyst, implanted into the womb of a surrogate mother, and went on to become Dolly.
TJP2 在发育过程中至关重要，因为沉默会抑制小鼠胚胎中的胚泡形成。
TJP2 is crucial during development as silencing inhibits blastocele formation in mouse embryos.
胚胎干细胞研究的支持者们指出人的晶胚是在生育过程中形成的，大多数晶胚不是被破坏就是不明原因地被冻结了。
Proponents of embryonic stem-cell research point out that hordes of embryos are created during fertility treatment, and the vast majority of these are either frozen indefinitely or destroyed.
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