他们还将基因引入到非深水水稻以培育出最好的高产水稻变种。
They also combined the best of rice variants by introducing the genes into non-deepwater rice that produces higher yield.
但计算机建模表明，携带该基因变种的奶农来自中欧，之后比非乳品业人群分布得广泛而迅速。
But the computer model suggests that dairy farmers carrying this gene variant probably originated in central Europe and then spread more widely and rapidly than non-dairying groups.
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