why are hybrid animals usually sterile

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are hybrid animals usually sterile	1.27	0.9	2115	53	38
why	1.94	0.1	1339	68	3
are	0.65	0.8	4016	85	3
hybrid	0.8	0.1	8326	41	6
animals	1.32	1	552	28	7
usually	0.79	0.9	4409	86	7
sterile	1.22	0.3	2378	61	7

Keyword	CPC	PCC	Volume	Score
why are hybrid animals usually sterile	1.39	0.3	4523	49
are most hybrid animals sterile	0.69	0.4	7160	27
why are hybrids sterile	1.45	0.6	5897	74
are all hybrid species sterile	0.66	0.4	2051	69
what is a sterile hybrid	1.5	0.6	6930	77
are hybrid plants sterile	0.18	0.1	2378	19
the primary reason for hybrid sterility is	1.32	0.4	9070	80
what is hybrid sterility	1.8	0.9	794	90
hybrid sterility definition biology	1	0.6	188	34
examples of hybrid sterility	1.55	0.2	9386	94
hybrid inviability vs hybrid sterility	0.55	1	3534	28
hybrid animal and human	1.63	1	6429	12
facts about hybrid animals	1.79	0.1	6592	43
is hybridization good for animals	0.57	0.8	9983	11
human animal hybrid experiments	0.9	0.4	264	43
human with animal hybrid	0.99	0.8	4584	36
human animal hybrids science	0.77	0.8	3697	92
human-animal hybridization	0.88	0.9	6236	74