Also it seems strange that a parasite would be able to reproduce with it's host while producing Hybrid offspring containing a mixture of their DNA and the host DNA
For example Misquitos Tics, Tapeworms, Hookwoms and so on do not such thing
Some parasites need their host to reproduce but do not merge DNA with their hosts
I know of no other Parasites that merge their DNA with the host when reproducing
So I would suggest that they are taught to be parasites culturally & it is not genetic
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