if we are allowed to make a gene (or a group of genes) changes, which one would you do?

preferably realistic answers. There are some obvious ones to change size of some of body parts, lets say making ankles more useful, or maybe something like 2 segmented arm (2 scratch your back better), or maybe a spine with fewer fatal spots than we have right now (too damn high)

4 comments

Reroute the vagus nerve to be sensible
- pardon me, but what is with all the "hype" around vagus nerve?, for all practical purposes, it is just another nerve (or a band of them, but that is not the point)
  
  It wanders a bit
  
  so are we worried that it is a critical nerve which is also very vulnerable? if so, are not there many other (maybe more critical) things. Not saying we should not worry about it, but this seems a bit too specific.