one that produces an effect (the phenotype) in the organism only when it is transmitted by both parents (the individual being homozygous). See also heredity.
(Variation and inheritance) an allele which only expresses itself when it is partnered by another like itself
An allele which is not expressed unless two copies are present in the individual, i.e., in homozygous condition
An allele that does not show up if the dominant allele is present
recessive noun an allele that produces its characteristic phenotype only when its paired allele is identical