When Marisol was 15, she was diagnosed with the most common type of color blindness - the inability to distinguish between red and green. Roughly what percentage of the population shares Marisol's issues with color perception?

Roughly 8% of males and 0.5% of females are affected by some form of red-green color blindness, which is the most common type of color blindness. Therefore, the percentage of the population that shares Marisol's issues with color perception would be approximately 4.25% (average of 8% and 0.5%).