Topic Content:
- Meaning of Variation
- Types of Variation
In a population, differences exist between parents and offspring and among offspring.
Variation refers to the physical observable differences within a species.
The variations could be in the form of size, eye colour, coat colour, height, etc. Variations that are inherited, are determined by genes (genetic variations). Phenotypic variations may be brought about by genes, but can also be caused by the environment or a combination of both genes and the environment.
Some variations cannot be inherited because they are determined by certain factors in the environment.
Types of Variation:
There are two types of variations; morphological variations and physiological variations.
1. Morphological Variations:
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