Nature & Environment
Talking turkey: 12 facts about turkey genetics
...types of the visual pigment rhodopsin, 7 types of photoreceptors, and 4 types of cones, they can see into the ultraviolet. We can’t. They also have a type of T cell receptor apparently unique to them. 10. Industrial turkeys are more likely to suffer from non-inherited diseases than inherited ones. The list is long. Being smashed into close quarters can trigger feather...