The hypothesis of one common ancestor for all life is best supported by the fact that
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.

Question

Quizplus · Accepted Answer

The transfer of genetic material between different organisms (horizontal gene transfer) suggests a common ancestor from which DNA was originally shared. This could explain why bacteria can transfer genes to plants and other organisms, supporting the idea of a common ancestor for all life. The other options do not directly support this hypothesis as strongly.

The Hypothesis of One Common Ancestor for All Life Is