Bahamas Local, however, reports that a hurricane occurs about every three years with a major tropical storm every 12 years. Andros, Abaco and Grand Bahama are ranked in the top 10 places hit by tropical systems in the North Atlantic.
An example of a botanical genetic polymorphism is heterostyly, in which flowers occur in different forms with different arrangements of the pistils and the stamens. The system is called heteromorphic self-incompatibility, and the general 'strategy' of stamens separated from pistils is known as herkogamy.enetic polymorphism is actively and steadily maintained in populations by natural selection, in contrast to transient polymorphisms where a form is progressively replaced by another. By definition, genetic polymorphism relates to a balance or equilibrium between morphs.
Here is how I think about this distinction, which at least partly incorporates the prior answers. For biochemistry, a polymorphism is one of multiple alternative forms within a protein or nucleic acid sequence. For genetics, a polymorphism refers to genetic variants within the population that allow evolution by natural selection. A mutation is a change in nucleic acid sequence, such as in the sequence of a gene or its regulatory elements.