DNA chip vs gene chip

DNA chip and gene chip both are nouns.

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

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

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

DNA chip (noun)	gene 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