“白化病”的英语？

这些人裸露出来的大片白肉,使他们看上去象一群白化病患者.The expanse of white flesh made them look like a gathering of albinos.像红绿色盲, 白化病,血友病都是隐性遗传病,六指就是显性的.Does dominance hereditary disease have those ? Recessive have those again ?树木褪去了之前的颜色,变成了白化病...