What looks like an artist's rendering of the sun is actually a human egg cell.

这张看上去像艺术家创作的太阳图，实际上是人类的卵细胞。

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A century and a halflater, when another scientist reported the discovery of human egg cells, theworld’s population had doubled to more than a billion.

一个半世纪之后，当另一位科学家发现了人类卵细胞时，世界人口已经成倍增至十多亿。

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Infertile couples may be spared years of fruitless treatment with the discovery that the human egg can read the father's genetic key and screen out failures.

人类的卵细胞可以阅读父亲的基因钥匙并且筛除失败，这一发现可能会节省那些不孕不育夫妇数年的毫无成果的治疗。

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This one cell, this one fertilized cell which is unique because it's the - its chromosome contains the combination of the sperm and the egg, develops into an embryo and then on birth develops into a human.

这个受精卵,是独一无二的,因为它的染色体,包含了精子和卵子的组合,并由此发育成为一个胚胎,之后形成一个人类个体

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But creating a cloned embryo requires human egg cells, and egg cells aren't cheap.

FORBES: Cloning's High Cost

Put on the ballot by a home-schooled Baptist woman, this would define a fertilised human egg as a person.

ECONOMIST: Ballot initiatives

That process requires human egg cells, which must be donated by women.

FORBES: Magazine Article