It is genetic.
The adjective form for gene or genes is genetic. The noun gene can be used with other nouns (e.g. gene therapy, gene splicing) but it is acting as a noun adjunct rather than an adjective.
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form is cranial.
The adjective form for the pronoun they is their.
The Adjective form of Pathologist is Pathological.
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The adjective form of improve is "improved."
The adjective form for the verb to develop is developable.
The plural form of the noun 'adjective' is adjectives.
The adjective form of retire is :- retired, retiring.
The adjective form is patient.
Precarious is the adjective form.