Eye color is a polygenic trait. Height and skin color are also polygenic traits. If there is a vast variation in a trait, it's likely that it is polygenic.
Polygenic traits are those traits that are controlled by more than one gene. Such traits may even be controlled by genes located on entirely different chromosomes. Human height, eye and hair color are examples of polygenic traits. Skin color is another polygenic trait for humans and a variety of oth
Examples of polygenic inheritance in humans include height, eye color and skin color. Physical traits that have polygenic inheritance are influenced by more than one gene and typically display a continuous distribution, such as a range of heights. Polygenic traits do not have the classic phenotypic
Many psychologists posit that there are five categories of major personality traits: extraversion, openness, conscientiousness, agreeableness and neuroticism, reports About.com. Studies find that these traits are universal across many cultures and rooted in biology. Although people face diverse situ
A family trait is a genetic likeness that is passed through parents' genes to their children. Most specific traits are passed directly from one parent. Genetic disorders are also traits that can be passed from a parent to a child.
A personality trait is a characteristic that is distinct to an individual. Psychologists determined that there are five major personality traits and that everyone falls into at least one of them.
In psychology, Gordon Allport identified three types of personality traits: cardinal traits, central traits and secondary traits. While Allport's theory provides an open framework for psychoanalysis, other researchers, such as Raymond Cattell and Hans Eysenck, divided traits into objective opposites
Learned traits are behaviors that result from the influence of one's environment, as opposed to inherent traits, which are passed down automatically in one's DNA. A common learned trait is the use of language. People develop this trait over time by observing others communicating and learning structu
Learning to ride a bike and using a fork are examples of learned traits. Avoiding bitter food is also an example of a learned trait.
Common types of physical traits include characteristics related to height, weight, skin, build, complexion, hair and eye. For example, the physical traits of eyes can be divided up by eyebrow size, eyebrow shape, eye shape, eye color and eyelash length.