Which Fact Best Supports the Hypothesis of One Common Ancestor

Question

Which fact best supports the hypothesis of one common ancestor for all life?
A) DNA sequences from bacteria can be transferred to plants and other organisms.
B) Species in some groups have homologous anatomical structures.
C) Embryonic development is similar for all chordates.
D) Species in similar geographic locations show structural similarities.

Accepted Answer

The fact that DNA sequences from bacteria can be transferred to other organisms supports the hypothesis of one common ancestor for all life because it suggests that all organisms share a common genetic code and that genetic material can be passed between different species, indicating a shared ancestry.