QUOTE (Lionhearted @ Jan 21 2013, 03:01 PM)

Humans can see in the dark?!
Yes, in real life there is a great variance of human night vision. Some humans have exceptionally keen night vision. Others, not so much. Where do you draw the line? Hard to say.
QUOTE (Lionhearted @ Jan 21 2013, 03:01 PM)

• There're distinct meta features that humans simply do not replicate, low-light capable eyes will have a different structure and shape then those of humans (look at any animal with keen vision and notice the differences) just as much as you will not find a human with natural dermal deposits.
How do you explain the Night Vision positive quality? It's not exclusively metagenetic. Any mundane, non-Surged human can have low light vision. Dermal deposits, however, arguably
are exclusively metagenetic, in that they are only present in trolls and changelings.
QUOTE (Lionhearted @ Jan 21 2013, 03:01 PM)

• Metagenes are immune to dilution, meaning that elven features will stay elven no matter how the genes are muddled or mixed up, you're either meta or your not. The same is true for metavariants. It's completely Impossible to have an half-oni/half-ork with features from both parents, you're either one or the other and drift doesn't occur. Source: Runner's companion
What does it actually mean to be an elf, though? It means that the metagenes in your DNA coded for "Elf Traits" are switched "On". You are correct that you can't dilute metagenes, and that you can't be half-meta. If your parents are of two different metatypes, you'll either only have one set of metagenes activated, or if both are active you'll end up human because they cancel each other out.
Metagenes are an important factor in what makes a metatype a metatype, yes. For example, Elven metagenes clearly result in extended lifespans compared to humans, a trait which is distinctly and exclusively metagenetic. Pointed ears are likewise a metagenetic trait, expressed by both elves and orks, but they're clearly not
exclusively metagenetic, as humans can and do possess naturally pointed ears. Greater than average height and slimmer than average builds may also be metagenetic, but again, they aren't exclusively so, as humans are just as capable of having those same builds.
Metagenes are still
genes, and they don't create exact results. Metagenes
influence physical expression, just as ordinary genes do. An Ork may always be going to express Tusks, sure, as that's a trait which is coded for by the Orkish metagenes. But those tusks aren't always going to be the same size. Some orks will have massive tusks, others will have tiny ones. Similarly, while the Orkish metagenes code for heavier, more muscular builds, the degree of influence those genes actually have is going to vary greatly dependant on the individual. Some orks will be hulking monstrosities, while others might be more comparable to a human who is simply in decent athletic shape. The metagenes code for the heavy build, but how much or how little that trait is expressed can vary wildly.
QUOTE (Lionhearted @ Jan 21 2013, 03:01 PM)

• Metatypes are distinctly not human! They have their own variances for build, skeletal structure, muscle density, body fat, giving them distinct features different from humans!
Source for the part after the first sentence, please? I know that in terms of magical theory, yes, they are distinctly not human (as well as "sufficiently human" at the same time), but we're not talking magical theory.
I'll admit that metatypes have their own
averages for their physical forms. Elves "tend" to be taller and slimmer, Orks "tend" to be more heavily built, etc. But the upper and lower bounds of the variances overlap with human appearances. Being tall and slight of build is not unique to elves. You do not need Elven metagenes to have those traits. And likewise, being of average height and average build is not unique to humans. You do not need to
lack Elven metagenes to have those traits, even if you're more likely to express those traits if you do lack them.
~Umi