Thus the genetic basis to the origin of bird species is to be sought in the inheritance of adult traits that are subject to natural and sexual selection. ↗
With genetic engineering, we will be able to increase the complexity of our DNA, and improve the human race. But it will be a slow process, because one will have to wait about 18 years to see the effect of changes to the genetic code. ↗
Your social networks may matter more than your genetic networks. But if your friends have healthy habits you are more likely to as well. So get healthy friends. ↗
Since childhood I've always had a tendency to lean towards melancholy. My sisters suffer from it too, so maybe it's a genetic thing. But none of us has ever been on medication. ↗