The critical finding of the minnesota study of twins reared apart (bouchard, 1994; bouchard, lykken, mcgue, segal & tellegen, 1990) was that identical twins raised apart and together were ____.
a. ​very similar to one another, whether the overall positive correlation for a particular characteristic was strong or weak
b. ​generally similar to each other on physical characteristics, but not on social characteristics
c. ​very similar to one another on nonreligious social attitudes, but quite far apart on occupational interests
d. ​very different from each other, depending on the families within which they were raised