Suppose a mutant phenotype was due to a mutation in a mitochondrial gene.Which pattern would you expect to see?
A) The mutant phenotype would be more likely in males than in females.
B) The mutant phenotype would be more likely in females than in males.
C) Females that carry the mutant phenotype would pass it on to their sons but not their daughters.
D) Females that carry the mutant phenotype would pass it on to their daughters but not their sons.
E) Affected individuals would all have affected mothers.

Question

Quizplus · Accepted Answer

Mitochondrial genes are inherited maternally, meaning they are passed from mothers to all of their children regardless of sex. Therefore, if a mutation is in a mitochondrial gene, all offspring of an affected mother would inherit the mutation, making option E correct.

Suppose a Mutant Phenotype Was Due to a Mutation in a Mitochondrial