What is the purpose of depriving some embryos of adequate oxygen?

The world controller conditions the embryos so that the resulting children will fit into a desired category of people. Alphas are given more oxygen so that they develop into the intellectual and physical, except for Bernard, elite. People like Epsilons are deprived of oxygen or alcohol is given to make the individual less intellectual but good for manual work.

The world controller conditions the embryos so that the resulting children will fit into a desired category of people. Alphas are given more oxygen so that they develop into the intellectual and physical, except for Bernard, elite. People like Epsilons are deprived of oxygen or alcohol is given to make the individual less intellectual but good for manual work.