Assume That for a Given Gene a Mutation Creates an Allele

question 42

Multiple Choice

Assume that for a given gene a mutation creates an allele that functions as a dominant negative.The gene codes for a protein that forms a trimer within the cell.If at least one of the subunits has the mutant structure the entire protein is inactivated.For a heterozygous individual,what percent of the trimers present in the cell will be inactive?

• A) 100%
• B) 25%
• C) 50%
• D) 6.25%
• E) 12.5%

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Definitions:

Bystander Effect

The likelihood of offering assistance to someone in trouble diminishes when other people are around, as observed in social psychological studies.

Superordinate Goals

Shared goals that override individual or group differences and can only be achieved through cooperative efforts.

Reciprocity Norm

A social rule suggesting that people should return help to those who have helped them, fostering cooperative behavior.

Conflict

A situation or process where two or more entities or ideas are opposed or in competition, leading to disagreements or disputes.