cytogenetics vs genetics

cytogenetics and genetics both are nouns.

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

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

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

Other hypernyms of cytogenetics include cytology, genetic science.

cytogenetics (noun)	genetics (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