Which of the following is not evidence for the theory that all known life has a single origin?
A) All organisms have cell membranes.
B) All organisms have ribosomes.
C) All organisms replicate their DNA semiconservatively.
D) All organisms use DNA as their genetic material.
E) All organisms replicate their RNA semiconservatively.

Question

Quizplus · Accepted Answer

While all of the other choices support the idea of a single origin for all known life, the fact that not all organisms replicate their RNA semiconservatively means it cannot be used as evidence for this theory.

Which of the Following Is Not Evidence for the Theory