A Polygenic Process

question 103

Multiple Choice

A polygenic process:

• A)refers to the multiple genetic abnormalities that interact in one individual to create a disorder.
• B)results from the interaction between hormones and neurotransmitters.
• C)creates the coded instructions for cells to perform certain functions.
• D)controls the basic genetic transmission that occurs during conception.

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Definitions:

Phenotype

The collection of visible attributes or qualities of a living being that emerge from the interplay between its genetic makeup and environmental factors.

Codominant

Codominant refers to a genetic scenario where two different alleles of a gene are expressed equally in the phenotype of heterozygotes, neither being dominant or recessive.

Incomplete Dominant

A genetic pattern whereby an offspring's phenotype is a blend of the parents' phenotypes, neither gene being completely dominant.

Recessive Gene

A gene that can be masked by a dominant gene and is only expressed in a homogeneous state for that trait.