How does the color blindness gene work?
The ‘gene’ which causes (inherited, red and green types of) colour blindness is found only on the X chromosome. So, for a male to be colour blind the colour blindness ‘gene’ only has to appear on his X chromosome. For a female to be colour blind it must be present on both of her X chromosomes.
What are the 3 types of color blindness?
There are a few different types of color deficiency that can be separated into three different categories: red-green color blindness, blue-yellow color blindness, and the much more rare complete color blindness.
How does color blindness affect a person?
Color vision deficiency causes difficulty in distinguishing the difference between some colors, such as between red and green, or blue and yellow. This can create frustrations and problems when it comes doing daily tasks that rely on knowing just what color certain things are.