A mutation causes a cell to divide uncontrollably.Analysis of the cell shows that both copies of the gene must have the mutation.From this information,it can be determined that the mutation is
A) dominant.
B) recessive.
C) in a gene coding a kinase.
D) in a tumor suppressor gene.

Question

Quizplus · Accepted Answer

The mutation is recessive because both copies of the gene must be mutated for the cell to divide uncontrollably, indicating that a single functional copy can prevent this phenotype.

A Mutation Causes a Cell to Divide Uncontrollably