On a Pedigree Chart, What Symbol Would Represent a Son

question 25

Multiple Choice

On a pedigree chart, what symbol would represent a son who is affected by a genetic disorder?

• A) a shaded circle
• B) a clear circle
• C) a shaded square
• D) a clear square

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Definitions:

Sty

An infection of the sebaceous glands of the eyelash base leading to a painful lump on the eyelid.

Glaucoma

A group of eye conditions that lead to damage to the optic nerve, often associated with increased pressure inside the eye, and can result in vision loss.

Cataract

A medical condition where the lens of the eye becomes progressively opaque, leading to blurred vision.

Ptosis

A drooping or falling of the upper eyelid, which can be due to various causes, including nerve damage, muscle diseases, or congenital conditions.