chromosome mapping vs procedure

chromosome mapping and procedure both are nouns.

Word	Noun	Adjective	Verb	Adverb
chromosome mapping	Yes	No	No	No
procedure	Yes	No	No	No

As nouns, procedure is a hypernym of chromosome mapping; that is, procedure is a word with a broader meaning than chromosome mapping:

chromosome mapping: (genetics) the process of locating genes on a chromosome
procedure: a particular course of action intended to achieve a result

Other hypernyms of chromosome mapping include process.

chromosome mapping (noun)	procedure (noun)
(genetics) the process of locating genes on a chromosome	a particular course of action intended to achieve a result
	a mode of conducting legal and parliamentary proceedings
	a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
	a set sequence of steps, part of larger computer program