Functional
Yes. Some times. Specially when there is gross structural abnormality present in the eyes of the baby. Functional blindness can not be detected by any method.
It is structural
who discovered color blindness
discipline and learn how to approach the structural - functional
The basic structural and functional units of organisms are cells.
structual
color blindness night blindness snow blindness
Yes. See Wikipedia - Pingelap (#Color-blindness)
may not be functional for another category
may not be functional for another category
nephron
It is not true that color blindness is most common in females. Color blindness is most common in males and approximately 8 percent of men have it.