genetic science vs biology

genetic science and biology both are nouns.

Word	Noun	Adjective	Verb	Adverb
genetic science	Yes	No	No	No
biology	Yes	No	No	No

As nouns, biology is a hypernym of genetic science; that is, biology is a word with a broader meaning than genetic science:

genetic science: the branch of biology that studies heredity and variation in organisms
biology: the science that studies living organisms

Other hypernyms of genetic science include biological science.

genetic science (noun)	biology (noun)
the branch of biology that studies heredity and variation in organisms	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms