Social Studies, 18.03.2020 18:17, lujaynsparkles

Because identical twins separated at birth did have the same prenatal environment and were often placed in homes that are socially and educationally similar, some researchers believe that intelligence would seem to:

a) be 80 percent hereditary.
b) be 65 percent hereditary.
c) be less than 50 percent hereditary.
d) have no hereditary basis.

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Because identical twins separated at birth did have the same prenatal environment and were often pla...