Rare genetic traits are features that are uncommon within the general population. They can lead to different observable features or to rare physical abilities. Rare genetic traits are typically ...
A random mutation in a gene can alter its function and bring about a new characteristic that can pass down for many generations, but this may not be the only way that organisms can inherit a trait.
Some Juneau friends planted holly bushes in their front yard a few years ago. Those bushes grew well, producing dark green leaves with smooth edges. However, during a few winters of heavy snow, deer ...