molecular genetics vs genetics

molecular genetics and genetics both are nouns.

Word	Noun	Adjective	Verb	Adverb
molecular genetics	Yes	No	No	No
genetics	Yes	No	No	No

As nouns, genetics is a hypernym of molecular genetics; that is, genetics is a word with a broader meaning than molecular genetics:

molecular genetics: the branch of genetics concerned with the structure and activity of genetic material at the molecular level
genetics: the branch of biology that studies heredity and variation in organisms

Other hypernyms of molecular genetics include genetic science.

molecular genetics (noun)	genetics (noun)
the branch of genetics concerned with the structure and activity of genetic material at the molecular level	the branch of biology that studies heredity and variation in organisms