Grey's Anatomy Babies! All About Seattle Grace-Mercy West's Tiniest Residents (PHOTOS)

The love child of Mark Sloan (Eric Dane) and Callie Torres (Sara Ramirez), Sofia certainly has a superior gene pool. And from day one, she’s been getting to know Seattle Grace-Mercy West. From her beginnings in the NICU to her days roaming the ER strapped to daddy’s chest, Sofia is no stranger to the hospital. It probably doesn’t help that all three of her parents are (and were) attendings. Our guess for her future? She and Zola are best friends, and both of them decide to go into medicine. But the question is: What should be Sofia’s specialty?