An exception to the universality of the genetic code has been noted in
A) rare genetic diseases found exclusively in northern Europeans.
B) human mitochondrial DNA.
C) when streptomycin binds the ribosome.
D) in chimpanzees and orangutans.
E) ribosomal RNA genes.

Question

Quizplus · Accepted Answer

The genetic code for mitochondrial DNA is slightly different from the universal genetic code found in nuclear DNA. This is because mitochondrial DNA has its own set of genes separate from those found in the nucleus.

An Exception to the Universality of the Genetic Code Has