genetic science vs genetics

genetic science and genetics both are nouns.

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

As nouns, genetic science and genetics are synonyms defined as:

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

genetic science (noun)	genetics (noun)
the branch of biology that studies heredity and variation in organisms	the branch of biology that studies heredity and variation in organisms