is our response to be happy at something hardwired in DNA? Up to what level we can change it?
A normal guy feels happy to see a woman's curve, whereas gay won't feel the same happiness when he looks at her.
Similarly, someone may find riverside beautiful, another one may not. My question is, can we modify human DNA and make an offspring who will have a different set of responses?
Many years ago, there was performed "mouse utopia experiment". Search YouTube for this keyword to see movies about it.
https://en.wikipedia.org/wiki/Behavioral_sink
Rats/mice were put in hermetic building, with abundance of food. They started breeding without limits.
At the nearly end of the experiment, before final extinction, scientists noticed that they started having sexual intercourse with the same gender mice..
Overpopulation causes aggression, conflicts and stress. Hig