| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sperm histone gene expression | 0.23 | 0.7 | 9054 | 55 | 29 |
| sperm | 0.94 | 0.3 | 9699 | 28 | 5 |
| histone | 1.67 | 0.3 | 9109 | 44 | 7 |
| gene | 0.24 | 0.9 | 5546 | 97 | 4 |
| expression | 0.53 | 0.1 | 5891 | 48 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sperm histone gene expression | 0.46 | 0.5 | 3768 | 87 |
| sperm histone role in fertilization | 0.43 | 0.4 | 7359 | 22 |
| histone removal in sperm protects paternal | 0.83 | 0.8 | 8545 | 83 |
| role of sperm in fertilization | 1.34 | 0.4 | 8375 | 26 |
