DNA

Do you know what DNA, genes, chromosomes, proteins, heredity, and traits are? http://gslc.genetics.utah.edu/units/basics/tour/

Here, the basics of dominance is explained. http://www.boiseschools.org/schools/lesbois/teachers/bowman/science/BIOLOGY/UNIT_4/types_of_dominance_files/frame.htm

This cite explains what doesn’t apply to simple inheritance, including polygenic traits, intermediate expression, codominance, multiple-allele series, incomplete penetrance, sex-related gene effects, pleiotrophy, stuttering alleles, and environmental effects.   http://anthro.palomar.edu/mendel/mendel_3.htm