年轻妇女多达一半的卵细胞以及年届39岁以上妇女75%的卵细胞会有染色体异常现象。

Up to half the eggs of young women and up to 75% of those in women over 39 have abnormal chromosomes.

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在实际的融合过程中，由两个物种的遗传物质在概念上是可交融的，染色体的一半来自父母一方，一半来自另一方。

In a true hybrid, the genetic material from the two species is mingled at conception, with half the chromosomes coming from one parent and half from the other.

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高达一半以上年轻女性（39岁以后则高达75%）的卵细胞有异常染色体。

Up to half the eggs of younger women, and up to 75% in women over 39, have abnormal chromosomes.

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