One of the genes they looked at, called the EDAR gene, is known to be involved in controlling the growth of hair.
他们检查的其中一个叫做EDAR的基因，已知其参与了控制头发的生长。
2
The case of the EDAR gene shows how cautious biologists have to be in interpreting the signals of selection seen in the genome scans.
EDAR基因的案例显示了生物学见们在解读基因组扫描的选择信号时必须多么小心。
3
A variant form of the EDAR gene is very common in East Asians and Native Americans, and is probably the reason that these populations have thicker hair than Europeans or Africans.