A nematode has a gene that is not found in any closely related species.A similar gene, however, is found in a variety of insects.What is the most likely explanation for this observation?
A) The gene evolved via a gene duplication in nematodes.
B) The nematode acquired the gene through lateral transfer.
C) Insects and the nematode have a recent common ancestor.
D) The gene is a pseudogene in the nematode.
E) The gene evolved via concerted evolution in both nematodes and insects.
Correct Answer:
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