Question

What patterns in a pedigree characterize a trait determined by the mitochondrial genome?A. Males are never affected.B. All offspring of an affected female show the trait, and males are never affected.C. Males never transmit the trait to their offspring.D. All offspring of an affected female show the trait, and males never transmit the trait to their offspring.E. All offspring of an affected female show the trait.

Answer 1

Answer: The patterns that characterize a trait determined by the mitochondrial genome are males never transmit the trait to their offspring. Letter C is the right answer.

Explanation: When a female is affected by the trait of mitochondrial genome she affects her entire offspring, despite of the gender.  Female and male offspring will be affected.

However, when the male is affected he reproduces normal offspring.