英语语法分析

This is called an epistatic interaction.

这称为上位相互作用。

The dark-hair genes are epistatic to the red hair locus .

黑发基因对于红发基因位点来说是上位遗传的。

Under epistatic genetic model, however, the running time is very long.

然而，对于上位性遗传模型，其运算时间还是过长。