it is a relationship between two alleles of a gene and their associated phenotypes; one allele can be dominant over a second allele, recessive to a third allele, and codominant to a fourth. Also, an allele may be dominant for a particular aspect of phenotype but not for other aspects influenced by the same gene.
a gene that is expressed in an organism's phenotype, masking the effect of the recessive allele or gene when present. genetics of, or pertaining to An organism that expresses the dominant
