Which of the Following People Is at Highest Risk for Multiple

question 97

Multiple Choice

Which of the following people is at highest risk for multiple sclerosis?​ 

• A)an elderly man with a family history of multiple sclerosis living in Panama 
• B)a young man living in California who spends a lot of time in the sun as a construction workera young man living in California who spends a lot of time in the sun as a construction worker 
• C)an older woman with a family history of multiple sclerosis who lives in Mexico 
• D)a young woman with a history of mononucleosis living in New York

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Definitions:

Genetic Disorders

Diseases or conditions caused by abnormalities in an individual's DNA, potentially inherited from parents or resulting from mutations.

Canalization

The genetic tendency to limit the variance of trait development regardless of environmental conditions.

Polygenic Inheritance

A form of inheritance in which traits are controlled by multiple genes, each contributing a small effect to an individual's phenotype.

Sickle-Cell Anemia

a genetic blood disorder characterized by red blood cells that assume a sickle shape, leading to various complications including pain and anemia.