They Are Called Variations ;)
Different forms of characteristics can be called traits, attributes, qualities, or features. These terms are often used interchangeably to describe the various characteristics of an individual, object, or entity.
traits
trait
heterogeneous matter
The study of human races and their characteristics is called anthropology. Anthropologists study the physical, social, and cultural aspects of different human populations and how they vary across different groups.
wieners.
Heterogeneous matter has parts with different characteristics.
They are called children. Since there are almost no "Pure" blooded people left on the planet everyone is a child of mixed parents.
Different forms of a gene are called alleles. Genes are the ones that influence the traits that will be inherited in the DNA.
dominant
The representative and direct democracy are the SAME thing, but are called by different names.
Stable and enduring personal characteristics are called personality traits. These traits are relatively consistent over time and across different situations, influencing how individuals think, feel, and behave.