How does a universal genetic code relate to the hypotheses about the origin of life on Earth?

Question

kainui · Answer

What's your first guess?

anonymous · Answer

The universality of the genetic code means that all living organisms are descended from one original organism

anonymous · Answer

That's a really good start. You could expand it, and talk about how the universal genetic code is a set of rules that encodes information in genetic material (DNA or mRNA ) and then translates it into proteins. But bear in mind, that's not the complete answer. :) It's only a signifiant portion that will help you out. I hope this helped you!

anonymous · Answer

All organisms on Earth have one genetic code (except 
mitochondrias ).  In fact, universal genetic code is fundamental evidence that all organisms 
(viruses, bacterias, eukaryotes) evolved from one common ancestor, 
because otherwise organisms should have different genetic codes. 
 According to hypothesis of RNA world, all modern organisms 
came from one ancestor that was composed only from nucleic acids. This 
ancestor had RNA as a carrier of genetic information, and used same 
genetic code as now-living organisms.

anonymous · Answer

Thank you guys(: this helped a lot

anonymous · Answer

You're welcome! :D