The mutation in the MC1R gene also occurs in brunets, although it's less common.

黑素皮质素受体基因变异也可能在深色头发的人群中发生，但几率较小。

youdao

The mutation in the MC1R gene also occurs in brunets, although it's less common.

黑素皮质素受体基因变异也可能在深色头发的人群中发生，但几率较小。

youdao