Patterns within families in which parents are likely to select many of their children's activities and often "push them to succeed" are more likely to be characteristic of what
families.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.