Effects
Inheritance & Genetics
Definitions
Other
100

What are the common emotional effects that occur with having OA

Depression and anxiety

100

What type of chromosome is OA linked to?

Is it recessive or Dominant?

OA is an x-linked chromosome

100

Define Stereoscopic Vision

failure to put images from both the left and right eye together.

100

 Name one or more supporting strategies to improve the QOL for OAs.

Corrective lenses, glasses or absorptive lens. Or in some cases surgery

200

What is the result of improper pupillary response?

Extreme light sensitivity

200

What does it mean if a mother is an OA carrier?

Only 1 of the 2 X chromosomes have the OA gene.

200

 Define Ocular Albinism

A genetic condition that only affects the eye as a result of abnormal pigmentation production.

200

Whats does Pigment effect?

Color of hair, skin and eyes

300

What specifically lacks in the eye that causes OA? 

Lack of pigment

300

Who is most likely to be born with OA?

Why?

More common in males because they only have 1 X chromosome. 

300

OA is an X-linked autosomal disease. What does that mean?

It means that in order for a female to display the characteristics in the phenotype, they must have the gene in both Xs 

300

What is the function of the fovea?

How is it affected by OA?

The fovea is responsible for the "sharpness" in visuals. 

With OA, it malfunctions, creating extreme difficulty for people to see detail.

400

What is the effect of Nystagmus?

Rapid involuntary eye movements. (twitching)

400
Why is OA less likely to be shown in females?

they have two X chromosomes giving less of a chance.

400

Define nystagmus

Rapid eye movements (usually left and right) that occur involuntarily. 

400

Blindness can occur in a single eye. True or false?

Yes, It can occur in both eyes or in one but not the other.

500

What function(s) of the eyes are affected due to OA?

-pupillary response

-Fine tuning/depth of visuals

500

If a carrier mother and unaffected father were to have 4 children what is the probability of kids that will be affected?

There would be a carrier Daughter and affected Son.

500

The medical term for "crossed eyes" is...

Strabismus

500

**Bonus Question**

What is the GPR143 gene responsible for?

Maturation of melanocytes