European Journal of Cardiovascular Medicine

Background: Extra Y chromosome was found to cause more aggression with a ratio 1:28 in case of violent and aggressive males. The present study was done to see the level of aggression and number of Y chromosomes in the taller male prisoners of Ambala Central Jail. Material &Methods: The Buss and Perry questionnaire along with certain demographic factors was used to estimate the level of aggression in the male prisoners. Buccal smear staining and conventional karyotyping method was used to see the presence of extra Y chromosome. Results:  The aggression score was found highest in the tallest group of males and no extra Y chromosome was found in the prisoners. Conclusions: The aggression score was found increasing with the height. So, a correlation was found between height and aggression.