Physical Traits or Characteristics

Definition

Physical traits or characteristics are observable features of an organism, such as size, color, shape, etc., determined by genes and environmental influences.

Related terms

Phenotype:

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. Like your outfit for a day - what others see when they look at you.

Heredity: The passing on of physical or mental characteristics genetically from one generation to another. Like inheriting your mom’s eyes or dad’s hair color.

Mutation:

A permanent alteration in the DNA sequence that makes up a gene. It's like accidentally spilling bleach on your favorite shirt - the shirt (gene) is permanently changed.