1. the act or process of varying: prices subject to variation. 2. an instance of this: a variation in quality. 3. amount of change: a temperature variation of 20Â°. 4. a different form of something. 5. the transformation of a musical theme with changes or elaborations in harmony, rhythm, and melody.. the act or process of varying: prices subject to variation. 2. an instance of this: a variation in quality. 3. amount of change: a temperature variation of 20Â°. 4. a different form of something. 5. the transformation of a musical theme with changes or elaborations in harmony, rhythm, and melody.
A phenotype (from Greek phainein, meaning to show, and typos, meaning type) is the composite of an organism 's observable characteristics or traits, such as its morphology, development, biochemical or physiological properties, phenology, behavior, and products of behavior (such as a bird's nest).he concept of phenotype can be extended to variations below the level of the gene that affect an organism's fitness. For example, silent mutations that do not change the corresponding amino acid sequence of a gene may change the frequency of guanine-cytosine base pairs (GC content).
It is the gene complement of an individual. 2. Genotype remains the same throughout the life of an individual. 3. Genotype cannot be studied directly. It can be known through the study of ancestors, mating and offspring. 4. It is not influenced by phenotype. 5. In a given environment or time, individuals with similar genotypes will produce similar phenotypes.