From: Exploring the link between chromosomal polymorphisms and reproductive abnormalities
Chromosome polymorphism type | Chromosome karyotype | Frequency of polymorphism (n = 21,916) | Polymorphism frequency % |
---|---|---|---|
Y-chromosome polymorphisms | Â | 1082 | 4.94 |
 | Yqh +  | 555 | 2.53 |
 | Yqh− | 526 | 2.40 |
 | invY | 1 | 0.0046 |
1, 9, 16 constrictions | Â | 628 | 2.87 |
 | 1qh +  | 344 | 1.57 |
 | 9qh +  | 139 | 0.63 |
 | 16qh +  | 134 | 0.61 |
 | qh− | 11 | 0.041 |
Group D/G anomalies | Â | 250 | 1.14 |
 | Cenh +  | 38 | 0.17 |
 | pstk +  | 152 | 0.69 |
 | pss | 27 | 0.12 |
 | ps− | 18 | 0.08 |
 | ps +  | 15 | 0.07 |
Chromosome 9 inter-arm inversion | inv(9) | 168 | 0.77 |
Complex polymorphisms | Â | 99 | 0.45 |
Total | Â | 2227 | 10.16 |