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(16 Raghu and Rajiv are twins. They have been, , Ans, , separated early in childhood. However,, , they both shows a considerable similarity, when it comes to intelligence level. How can, you explain the similarities in their, intelligence?, , The similarities in between the twins namely, Raghu and Rajiv can be explained through, interplay of nature and nurture., , The hereditary influences among twins show that, there is considerable similarity in intellectual,, personality and behavioural characteristics with, respect to their intelligence level even though they, are separated early in the childhood. The, , intelligence of identical twins reared in different, environments correlate to 0.72.