Depends on the degree of hereditability. I mean things like downs syndrome, which is a definite genetic disadvantage haven't been selected out...
"Peace is a lie, there is only passion.
Through passion, I gain strength.
Through strength, I gain power.
Through power, I gain victory.
Through victory, my chains are broken."
Sith code
Through passion, I gain strength.
Through strength, I gain power.
Through power, I gain victory.
Through victory, my chains are broken."
Sith code