Assume That for a Given Gene a Mutation Creates an Allele

question 31

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%
• Blooms Level 4: Analyze