Do most humans not have the 12 DNA strands so many spiritual leaders talk about? If so, what is the most common human configuration?

It is indeed the case that the intended configuration of the divine human is to have 12 DNA strands. The problem is that the interdimensional DNA has been corrupted, and that is the nature of the 12 strands seen intuitively, it is not the physical strands of the alpha helix of ordinary DNA present within human cells of the body.