In which of the following cases would you expect to find the greatest similarity in IQ?

In which of the following cases would you expect to find the greatest similarity in IQ?

درج ذیل میں سے کن صورتوں میں آپ آئی۔کیو میں سب سے زیادہ مماثلت کی توقع کریں گے؟
Explanation

You would expect to find the greatest similarity in IQ between "identical twins."