Which is consistent with the concept of active correlations, explain why identical twins reared apart are often quite similar, despite experiencing different environments?

The size of the correlation between reared apart fraternal co-twins provides an informative comparison. Greater resemblance between identical than fraternal twins is consistent with genetic influence on the traits under study. The Minnesota study began in 1979 and continued for twenty years.

  like australopithecus afarensis; probably the direct ancestor of this group. africa: 5.8 to 4.4 million years ago.