That is false. Physical characteristics of an organism are genetically passed down.
—Evidence—
A characteristic that an organism can pass on to its offspring through its genes.
The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.
Heredity is the biological process responsible for passing on physical traits from one generation to another.
A. there is a change in Genetic frequency
I’m doing good how about you?