What are characteristics of the pedigrees of families with mitochondrial diseases?
A)All children of affected mothers are also affected irregardles of gender.
B)Only the male children of affected mothers are affected, female children are not affected.
C)Only female children of affected mothers are also affectedmales are not afected.
D)All children of affected males are also affected.

Question

Quizplus · Accepted Answer

Mitochondrial diseases are inherited from the mother as the mitochondria are only inherited maternally. Therefore, all children of affected mothers will inherit the mutated mitochondrial DNA and will also be affected by the disease, regardless of their gender. This is known as maternal inheritance.

What Are Characteristics of the Pedigrees of Families with Mitochondrial