Keyword Analysis & Research: when was dna testing first used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was dna testing first used	0.75	0.4	8364	74	31
when	0.64	0.2	27	44	4
was	0.38	0.3	8444	56	3
dna	0.14	0.7	5732	46	3
testing	0.47	0.3	6640	18	7
first	1.8	0.3	7465	39	5
used	0.42	1	1589	29	4

Keyword	CPC	PCC	Volume	Score
when was dna testing first used	0.59	0.3	9280	52