What Form of Polycythemia Occurs When an Individual Lives in a High

question 60

Multiple Choice

What form of polycythemia occurs when an individual lives in a high altitude environment?

• A)primary
• B)secondary
• C)tertiary
• D)relative
• E)None of the above

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Definitions:

Recessive Allele

A variant of a gene that must be inherited from both parents in order to manifest its trait, as opposed to a dominant allele where only one copy is needed for expression.

Heterozygous Individuals

Organisms that have two different alleles for a given gene, resulting in genetic variation.

Phenotypic Expression

Phenotypic expression is the observable physical and physiological traits of an organism resulting from the interaction of its genetic makeup with the environment.

Heterozygous

Having two different alleles for a particular gene, one inherited from each parent.