根据上下文或提示填空：
Color blindness is a g_______condition in which a ____cannot d_____all colors. This d_____is more ______in men than in women.Most color-bind people can see only two b____colors,and they t____to confuse other colors,especially reds with greens.This i_____can bring _____problems because many color blind people do not realize that their eyesight ____ d_____. They have learned to use the color names that everyone ___ uses,and they are not aware that they do not see ____ colors that others see.Scientists believe that color blind is an ______genetic d____, and there is no _____ for it.

Genetically-caused,person,detect,defect,common,basic,tend,imparement,about,is,defective,else,the,inherited,defect,cure.