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Red-green color blindness

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Maryam was surprised to discover she suffered from red-green color blindness. She told her biology professor, who responded, "your father is color-blind too, right?"

How did her professor know this? Why did her professor not say the same thing to Saad, a color-blind male student in the same class?

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Solution Preview

Red-green color blindness is linked to the X chromosome, which carries the genes for both red and green color vision. The condition is recessive in that having one normal X chromosome will lead to normal color vision even if the other one is defective. In other words, you only need one properly working X-chromosome for proper color vision.

Maryam is a female and has two ...

Solution Summary

Red-green color blindness is briefly studied.