Parents love to take their children to the park to socialize with others so that they become comfortable around strangers. There is always that one child you notice that clings tight to their parents like magnets on metal. You can't help but wonder why they fear from separating from their parents. Could it be that they experienced a traumatic separation from their parents that they are now frightened when they are separated? That's one explanation. However, according to this article, people may suffer from separation anxiety due to the extra copy of GTF2I gene on chromosome 7. Lucy Osborne of the University of Toronto discovered an affect of the gene and studied it using mice. She genetically modified two groups of newborn mice. One group was missing part of the GTF2I gene while the other group had an extra copy. Osborne and her colleagues noticed that when they separated the mother from the newborns, those with the extra copy created a more vibrant signal urging their mothers to get them. Although, it was interesting to read how the researchers found the affects of gene, I don't think it's a discovery that will be life changing. Now the next time you talk to parents and notice their child is clinging to them, you can let them know that their child has an extra copy of GTF2I. What an ice breaking topic!