embryo

1. A new embryo starts as a single cell with perfect symmetry .

胚胎是从一个完美对称的单细胞开始的。

2. The resulting embryo was then transferred into a surrogate dog mother .

然后将产生的胚胎转移到一个代孕狗妈妈。

3. Add sry to a female embryo , it 'll make testes .

而女性胚胎中若有sry基因，则性腺将发育为睾丸。

4. The ethical advantage of making pluripotent stem cells without involving an actual embryo is obvious .

制造不涉及真正胚胎的多能性干细胞的伦理优势很明显。

5. Every cell of the embryo contains many copies of several thousand different proteins .

胚胎中的每一个细胞都包含上千种不同蛋白质的复制品。

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