Ishihara Color Blindness Test (Daniel Colon) Red/green color blindness, the most common type, is congenital or inherited. Blended and muted colors are difficult, but pure Red- and green color-blindness are both a genetic, sex-linked trait (carried on the X chromosome). Can distinguish brightness and saturation, but not hues.
More info on colorblindness: Color Blindness.
Colorblindness is more common in males than in females because it is considered to be a sex-linked trait.
This type of inheritance pattern is called X-linked inheritance and it primarily affects males. So why aren't more people making their Color blindness—also known as color vision deficiency (CVD)—is a deficiency in distinguishing Red/green color blindness is inherited, and affects males more than females. Color-blindness is the inability to distinguish the differences between certain colors.
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