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-Rod Monochromacy: Total or complete achromatopsia, total color blindness

- Most common type of complete blindness

- Cone monochromacy:  is a rare type of total color blindness, however is accompanied by relatively normal vision.

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-Cones: Near the fovea in the eye, is essential for color vision

-Each cone detects a different wavelength (short, medium, long)

-Monochromacy is caused by either a defect or complete absence of the retinal cones

-Monochromacy is when the human retina contains only a single kind of light receptor cell

-When two cone pigments are missing, vision is reduced to black and grey and white

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Parental Tests -------------- Gene Location

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Parental Tests -------------- Gene Location

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-There is no genetic tests for monochromacy

-Won't know if child is colorblind until age 4

-gene is located on the X chromosome

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-Currently no treatment for Monochromacy

-working on stimulation of the blue cone

-consists of injection into the retina

-injection has a non-replicated gene to try and change the dominant/recessive roles

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Brannon Sources

"Monochromacy – Complete Color Blindness | Colblindor." Colblindor. N.p., n.d. Web. 08 Mar. 2015.

"Gene Therapy « Blue Cone Monochromacy." Blue Cone Monochromacy. N.p., n.d. Web. 10 Mar. 2015.

"Inherited Colour Vision Deficiency." Colour Blind Awareness. N.p., n.d. Web. 25 Feb. 2015.

Caseys Sources

"Monochromacy – Complete Color Blindness | Colblindor." Colblindor. N.p., n.d. Web. 08

Mar. 2015.

"Total Color Blindness." Color Blindness. N.p., 13 Apr. 2009. Web. 10 Mar. 2015."Blue Cone Monochromacy." Blue Cone Monochromacy. N.p., n.d. Web. 10 Mar. 2015.

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-In monochromacy it is complete color blindness

- they see things in complete black and white

-only shades of grays

-just like old televison and photos

-It will not effect your life expectancy

-should live just as long as any other person

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-X-linked Recessive traits

-Caused by inheritance or can be acquired

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-Color Vision Deficiancy

-Monochromacy

-total color blindness