What biochemical trait varies but is present throughout all of life,allowing the construction of an estimate of phylogeny?
A)DNA in the nucleus
B)DNA in mitochondria
C)Messenger RNA
D)Ribosomal RNA

Question

Quizplus · Accepted Answer

Ribosomal RNA (rRNA) is present in all life forms and varies enough to allow scientists to construct phylogenetic trees, providing insights into the evolutionary relationships among different organisms. Its structure and sequence are conserved enough to be useful for these comparisons but also show variations that reflect evolutionary changes.

What Biochemical Trait Varies but Is Present Throughout All of Life,allowing