Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

مندرجہ ذیل میں سے کون سا ثبوت زمین پر تمام زندگی کی مشترکہ ابتدا کی سب سے زیادہ مضبوطی سے حمایت کرتا ہے؟

All organisms reproduce

All organisms use essentially the same genetic code

All organisms show heritable variation

None of these

The universal genetic code (DNA to RNA to protein) strongly supports the common origin of all life.

This shared molecular mechanism indicates a single ancestral lineage for all organisms.