Is Color Vision X Linked at Color

Is Color Vision X Linked. Females heterozygous for this trait have normal vision. Image courtesy of wikimedia commons.

Sex Linkage Presentation
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There is a single gene for the red cone opsin but there are multiple ones for the green pigment. Color vision defects are caused by deletions and fusions involving these genes. Some women have a rare super color vision trait called tetrachromacy, which is linked to the x chromosome.

Sex Linkage Presentation

(1)human genetics center, school of public health, university of texas, p.o. Most nonprimate mammals exhibit dichromacy, with color vision based on just two kinds of visual pigments. If a homozygote blood type a marries a heterozygote blood type b. These animals do not have full color vision.