When organisms are heterozygous at a gene, often one allele is called dominant as its qualities dominate the phenotype of the organism, while the other allele is called recessive as its qualities recede and are not observed.
Rikala organisme heterozigot ring satunggal gen, sering pisan asiki alel kasengguh dominan santukan kualitasnyané ngwasayang fenotipe organisme, raris alel tiosan kasengguh resesif santukan kualitasnyané rered taler nénten kaselehin.