In the Voyager Episode where Torres and Paris look at thier child, Torres remarks that for a 1/4 Klingon, she still will have facial ridges - and the Doc said that Klingon DNA is pretty dominant.
But it also led to a deformed spine (easily corrected)...
Which got me thinking: what other little nasty genetic snafu might lurk in the future of the player of a mixed-breed species?
What happens to a half-betazoid when she reaches "the phase"? Or a quarter-vulcan, every seven years? Got Klingon DNA? Well, Klingon puberty is hell, my friend...
But other things leap to mind: the human immune system has a fairly easy time with the common-cold. But what about a *half*-human immune system. Maybe the equivalent of the "flu" is a deadly epidemic to Bajorans. Hrm.
*rubbing his hands together with evil thoughts*
The Doc
So you think, 'Might as well,
Dance a Tango to Hell,
at least I'll have Tangoed at all.'
-- "Rent," Jonathan Larson