Is it possible that viruses were the first replicating forms of early life? Is it possible that our sexual organs are a more evolutionarily advanced reflection of this most ancient of times? Viruses can infect all living things: ranging from bacteria, to insects and plants, and to animals. So why is this? Why do viruses seem to mimic cells in our bodies and then search out specific cells to replicate their DNA with? The answer maybe that viruses and early single celled proto-life (the first combination of membrane, nucleus, and amino acid) developed together as kind of a primordial Adam and Eve out of differing forms of clay that can be found in the bottom of oceans, rivers, lakes, and volcanic springs. Each form of clay gave "birth" to it's own versions of this unicellular Adam and Eve. Early forms of nucleobases may have been nothing more than a nitrogen husk with amino acid contained within the membrane. Other forms of this proto-life may have appeared out of methane as well.
As certain proto-cells randomly populated the oceans, they ran into one another. Some amino acids being positively charged, while others being negative. This created an attraction between these cell-like vectors and the amino acid contents of both proto-cells erupted within the nucleobase eventually creating RNA and DNA. Thus the birth of the first viruses.
Life then becomes the culmination of physical forces in nature. The culmination of weak and strong nuclear forces, of electromagnetism, of gravity...and viruses were the world's first step into a pseudo-living being. That the only thing that the virus did was transfer it's DNA into the nucleobase of an amino acid carrying sub-celled entity.
This was history's first copulation between the "sexes". Thus my conclusion on this matter is that men evolved from viruses and women from the first amino acid filled nucleobase. The sperm and the egg.
Cellular Eve came before Adam, at least 4 billion years ago.