Being a hero, behave.
No, the word 'regretful' is not a character trait, simply because it is not a formal way to describle such person, neither is it a character trait because it only symbolizes the emotion of a person at such time.
Doing mathematics is definitely a learned trait.
Your Height
Chromosomes
No, the frizzle trait in chickens is not an example of pleiotropy. Pleiotropy refers to a single gene affecting multiple traits. However, the frizzle trait is controlled by a single gene that affects only one observable trait - the curliness of feathers.
the form of a given gene that inheriting only one copy of results in the expression of the trait coded by that allele of the gene if it was recessive instead inheriting two copies would be required for its expression
A character trait is basically the personality of someone. For example my character trait can be generous.
hairstyle
alleles
its a big long banana
germany
Blood type