You can get color blindness if your parent has a dominate trait to color blindness.
Look at rainbows
Color blindness is most often a genetic disorder, but it can be acquired due to illness, eye/brain/nerve damage, or chemicals. People with this condition tend to see a limited range of colors; a rare...
Depends .. If the subject is blind from birth then He sees no color because he knows none
Color blindness is when you don't know what color something is and night blindness is when you can't see well at night from the dark.