human twin and adoption studies imply that aggressive tendencies in human beings are

Human twin and adoption studies imply that aggressive tendencies in human beings are "at least partly influenced by genetics".
Adoption studies are one of the great devices of behavioral genetics. These studies are used to gauge how much a characteristic shifts in light of environmental and genetic variety. Adoption studies are normally utilized together with twin studies while evaluating heritability.

Japan's government is dictatorship.

What the question i don't get it do u mean what she needs to do to auctually become one