遗传病的原因之一，单倍的基因剂量不足以维持正常功能。

Haploinsufficiency --- A cause of genetic disease in which the contribution from a normal allele is insufficient to prevent disease because of a loss-of-function mutation at the other allele.

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这是一种性别决定的方法，叫做单倍二倍体。

This is a method of sex determination known as haplodiploidy.

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马克说，这种单酯的脱硫速度比真菌和细菌快10到20倍，并可挤入一个比生物脱硫过程紧凑得多的反应堆。

It works 10 or 20 times faster than a fungus or bacteria, and could be squeezed into much more compact reactors than a biological process, Makkee says.

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