cytogenetics vs genetic science

cytogenetics and genetic science both are nouns.

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

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

cytogenetics: the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)
genetic science: the branch of biology that studies heredity and variation in organisms

Other hypernyms of cytogenetics include cytology, genetics.

cytogenetics (noun)	genetic science (noun)
the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)	the branch of biology that studies heredity and variation in organisms