这样产生的胎儿要么主要是父方的基因表达，要么主要是母方的基因表达。

The resulting fetuses consisted of either mostly paternally or mostly maternally expressed genes.

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人们一般认为脱发是因为来自母方的遗传，但这方面遗传影响的概率大概只有50%。

It is generally thought that hair loss is an inheritance from the maternal side; however chances of such an inheritance are 50%.

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“这项研究显示在怀孕期间首先把父方因素和健康行为纳入考虑范围内，然后才会是母方的因素等方面。”她说。

"This study showed the importance of taking paternal factors and well-being during pregnancy into account, next to maternal," she said.

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