Suggestions/Ideas for rounding out Mass Effect "Lore":
Some thoughts occurred to me to make some more definitive and interesting aspects to the ME universe. Most of them are about cultural and societal behavior between humans and other alien species. This is quite a long list of ideas and I know I'm quite wordy, so be prepared. I will break these down into parts as some are going to be very long.
The first pertains to the Asari: They're too physically similar to human females which should arise to the fact that instead of the ridiculously low chance of a "parallel" evolutionary pattern, instead there was tampering with their evolution by either the Protheans or a previously advanced civilsation or both. Here is a wonderful way to link such a theory in ME.
Salarians, Humans, Quarians, Turians, Elcor, Asari, etc are all from oxygen/nitrogen atmospheric planets. In order for all races to be capable of breathing the exact same atmosphere a previous civilization (Pre-Promethean) should have been terra-forming the origin planets of each species for their own biological needs before being wiped out by the Reaper "cycle". This would explain how each of these species can breath the same air because each evolved in almost the exact same environments.
The Asari on the other hand should have a direct genetic link with human beings. There should be 99.97% biological similarty with a human female. Everything should be exactly the same except for biotic nerves running through the asari anatomy (connecting to the asari reproductive system and brain), skin coloring, and lack of ears, and their skull shaped cartalidg. This should explain Dr. Chakwas' familiarity with Asari biology since its its so extremely close to a human females.
Lets say either the prometheans (who already were tampering with other species) or a pre-Promathean civilization that was interested in studying the evolutionary process was studying both Earth and Thessia. Earth has a much shorter/ and faster evolutionary span than the Asari homeworld so therefore human evolution was much faster than the Asari.
The link lies in the Earths ancient period where these ancient scientists decide to take a large pod of pre-historic whales (i.e. a prehistoric whale from the earth's Eocene period or some such fiction in the process of becoming a landwalking animal) mistakenly all were female.... and since prehistoric Thessia should have been covered in mostly water (with the exact same Ph balance as Earth) but rich in Element Zero, they transported the pod of whales to see how the evolutionary pattern would work in a similar environment but with excessive amounts of elemental zero present. As Earths evolutionary pattern developed much quicker than Thessia, it gave this civilasation time enough to tinker with the evolution of the transplanted prehistoric animals to follow that of Earths resulting in the Asari. The prehistoric whales can easily have adapted to Thessia, but life expectancy kept growing due to the long orbital period of the planet, exposure to element zero and the tinkering of the "scientists". This resulted in a semi-aquatic biped that could be the direct relative of the Asari as the chimpanzee is to the Human being.
This information should be able to be discovered on two separate ancient science outposts (That reapers missed during their purge) located near or on Earth and Thessia or maybe even a live Promathean/pre-Promathean scientists.
Such a discovery can also add an aspect to an old earth myth about Lilith, Adam's "first" wife. Curious to see how compatible Humans and Asari after thousands of years sharing the same evolutionary chain, either these ancient scientists planned a introduction of an Asari (known on Thessia as Aelith or something that sounds similar to Lilith) ending up being the first "mate" to the one of the first cognitive ****** sapien males. Because she is an Asari, she would be very resistant to being "submissive" to Adam and going along with whatever he chose. This would result in Lilith leaving Adam and how he ended up with a human female named Eve. Or Lilith could have been one of the very first space explorers pre Asari citadel era and was intentionally caused by the scientists to crash land on earth where she could meet this "Adam" to observe their evolutionary biological compatibility.
Once such a link is established this should cause the Asari to grow much closer to Humanity (and vice versa) compared to any other species since they would share a common prehistoric ancestor and genetic compatiblity. Such a (paragon) path should inspire the Asari to start referring to Human beings as "cousins" as a term of endearment for the entire species. Unless of course Shepard does not save the council, in which case the Asari acknowledge this link but are disgusted/ashamed that they share the same genetic code as human beings and will try to distance themselves from this connection.
In a positive atmosphere this should inspire the Asari to feel the need to "guide" humanity as they have much larger lifespans that humans, as well as a drastic increase in Asari travelling to Earth (think friendly interplanetary visa permits between earth and Thessia), studying human cultures and history, and bringing back influences from human history. Lets say Asari fashion becomes more inspired by the 1960s 70s, or a deeper interest in pop culture (like the Shakesperean plays), music and more. Asari will also encourage supporting more human inspired ideals and projects as long as it is considered to be for the betterment of humanity in a more peaceful and reasonable path by Asari standards.
More humans will be allowed to travel to Thessia to study Asari history and culture more in depth as well. But it should be noted that most of the attempts to travel to Thessia will be by young human men who believe they'll be a hit with young naïve Asari maidens under 300 years old. Such situations can lead to an increase in a slave trade of young human men in non-citadel space where not so savory Asari characters gain "status" in the criminal underworld by having a "harem" of human male attendants. The larger the "harem" the more power that Asari is presumed to have.
This genetic compatibility/relationship between humans and Asari should also lead to one of the most unique situations between the two species. Actual Asari/Human hybrids. While Asari can have another Asari with any other species and even human females via their natural "melding" process, it should be discovered that some Asari can become pregnant by human males by natural human copulation. This should be an accidental discovery and not happen very often as only a few human and Asari blood types/ genetic builds would be 100% compatible enough with each other to create an actual hybrid offspring. Although a system should be developed jointly by the Asari and Humans to determine such compatibility between Asari/human male couples to have hybrid offspring.
Asari culture leads me to believe that to them all other species are "Fathers". But having an actual fully compatible male mate will cause the Asari to see human males as Patriarchs with the exception that human males have a grossly short lifespan. So men can be relegated to "drone" status only good for mating and then dying afterwards like in a bee or ant colony.
Asari/human hybrids should be distinguishable by their skin tone (ranging from different shades of pink to orangish/peach coloring), more pronounced ear structure as well as a more form fitting skull structure (not tapered up at the end like normal Asari). I will post a picture later of what I'm imagining right now as reference. They should have a similar lifespan as an Asari (maybe 350~400 year life span), a weaker natural biotic ability, and are incapable of reproducing through melding except with natural Asari partners. They should also be all female as the Asari reproductive system is not a hospitable environment for the human spermatozoa carrying XY chromosomes which could cause a male hybrid.
This ends my section on the Asari suggestion.