Colorblindness has a genetic basis and is the result of ___.
A)a mutation on the 1st chromosome
B)a single dominant gene
C)a sex-linked gene
D)mutations on several chromosomes

Question

Quizplus · Accepted Answer

Colorblindness is primarily caused by a sex-linked gene located on the X chromosome. This is why it is more common in males who only have one X chromosome, while females have two copies of the X chromosome that can potentially carry a normal gene to compensate for a mutated gene on the other X chromosome.

Colorblindness Has a Genetic Basis and Is the Result of ___