Do archetypes explain homology as well as evolution?

[pevaquark (Matthew Pevarnik)]

A recent post also speaks on ERVs which I think are also relevant to genetic scars (and if they are genetic scars, please forgive my non-Biologist mind):

ERV evidence for pastor with a lawyer's mind

Before getting into the nitty gritty of endogenous retroviruses (ERVs), let’s start with a simple analogy to explain how the evidence works. Let’s say you have two volunteers and two unabridged Oxford English Dictionaries. You give one dictionary to each person and tell them to go into separate rooms where they can’t see what the other is doing. You then ask them to randomly pick 100 words out of the dictionary and write them down on a sheet of paper. You bring them back into the same room a…