The Amount of Enzyme Activity in a Cell That Is

question 49

Multiple Choice

The amount of enzyme activity in a cell that is homozygous for a mutant allele is 400 units. The amount of enzyme activity in a cell homozygous for the WT allele is 200 units. The amount of enzyme activity in a heterozygote is 300 units. What is the dominance relationship between the WT and mutant allele for the phenotype of amount of enzyme per cell?

• A) The WT and mutant alleles show incomplete dominance.
• B) The mutant allele is dominant.
• C) The WT allele is dominant.
• D) The WT and mutant alleles are codominant.
• E) It is impossible to determine from the information given.

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