why is ab blood type so rare

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is ab blood type so rare	1.83	0.4	6239	14	28
why	0.3	0.4	2306	32	3
is	1.31	0.8	4480	46	2
ab	0.28	0.8	3255	39	2
blood	0.96	0.8	9704	90	5
type	0.31	0.8	716	15	4
so	1.84	0.5	3208	63	2
rare	1.43	0.5	3151	64	4

Keyword	CPC	PCC	Volume	Score
why is ab blood type so rare	0.23	0.1	3204	52
why is ab negative blood type so rare	1.77	0.8	3298	11
why is ab blood so rare	0.35	0.2	4199	12
is ab blood type rare	1.71	0.5	8938	20
why are ab blood cells rare	1.87	0.2	8842	28
ab- blood type rarity	0.53	0.8	3564	99
how rare is ab negative blood type	0.4	0.7	9029	72
type ab negative blood type facts	1.13	0.6	3430	96
what is ab negative blood type	0.31	1	815	46
is ab negative blood rare	1.5	0.8	7943	56
negative ab blood type	1.24	0.8	6581	10
ab negative blood type can receive	1.67	0.4	8450	8
can ab negative receive any blood type	1.28	0.6	2583	76
blood type ab negative diseases	1.66	1	8810	70
ab negative blood type rarity	1.04	0.3	4661	24
what blood type can ab negative receive	1.98	0.6	5051	77
ab negative blood type percentage	0.32	0.8	2364	23
blood type ab- negative	1.74	0.5	8801	80