Sentence:  Related <WSD>memes</WSD> tend to form mutually supporting meme-complexes such as religions, political ideologies, scientific theories, and New Age dogmas. 
Meaning of the word marked with <WSD> tags:  Any (unit) of (cultural) (information), such as a (practice) or (idea), that is (transmitted) (verbally) or by (repeated) (action) from one (mind) to another in a comparable way to the transmission of (genes).