Which statement about the genetic code is true?
A) Eukaryotes,archaea,and bacteria each evolved the genetic code independently.
B) The common ancestor of eukaryotes and archaea evolved the genetic code independently from the one evolved by bacteria.
C) The common ancestor of eukaryotes and bacteria evolved the genetic code independently from the one evolved by archaea.
D) The common ancestor of archaea and bacteria evolved the genetic code independently from the one evolved by eukaryotes.
E) The genetic code evolved in the common ancestor of all known life.

Question

Quizplus · Accepted Answer

The genetic code is believed to have evolved in the common ancestor of all known life. Studies suggest that there are no significant differences in the genetic code used by eukaryotes, archaea, and bacteria, indicating that it was established before the diversification of these domains of life.

Which Statement About the Genetic Code Is True