recessive allele vs recessive

recessive allele and recessive both are nouns.

Word	Noun	Adjective	Verb	Adverb
recessive allele	Yes	No	No	No
recessive	Yes	Yes	No	No

As nouns, recessive allele and recessive are synonyms defined as:

recessive allele and recessive: an allele that produces its characteristic phenotype only when its paired allele is identical

recessive allele (noun)	recessive (noun)
an allele that produces its characteristic phenotype only when its paired allele is identical	an allele that produces its characteristic phenotype only when its paired allele is identical

recessive allele (adjective)	recessive (adjective)
	(of genes) producing its characteristic phenotype only when its allele is identical
	of or pertaining to a recession