Think traits like eye color or tongue-rolling are simple genetics? Think again. Think traits like eye color or tongue-rolling are simple genetics? Think again. From Mendel’s peas to modern DNA science ...
Dark circles under a child's eyes look dramatic, but they are rarely a sign of anything dangerous. Most cases come down to nasal congestion or simple genetics. Pediatrician Cindy Gellner, MD, explains ...
Think traits like eye color or tongue-rolling are simple genetics? Think again. From Mendel’s peas to modern DNA science, let’s talk about why most human traits aren’t just “dominant” or “recessive.” ...