Humans Accelerate Evolution More Than Thought: Pig Skulls Have Changed Shape

Selective breeding over the past century has shortened and flattened the snouts of German domestic pigs. Though not an intentional trait selection, these changes resulted from breeding for growth and fertility, possibly influenced by diet. The study highlights how humans can accelerate evolution far more quickly than previously thought. Short snouts and a flat profile—within [...]

from SciTechDaily https://ift.tt/Kz7A8we