gene chip vs DNA chip

gene chip and DNA chip both are nouns.

Word	Noun	Adjective	Verb	Adverb
gene chip	Yes	No	No	No
DNA chip	Yes	No	No	No

As nouns, gene chip and DNA chip are synonyms defined as:

gene chip and DNA chip: a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested

gene chip (noun)	DNA chip (noun)
a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested	a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested