Table 1. Karyotype characteristics of Cobitis genomes with various ploidy levels and genomic compositions of biotypes involved in this study.
| ploidy level | (n) | (2n) | (3n) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| genome composition | E | T | N | EE | TT | NN | ET | EN | EET | ETT | EEN | ENN |
| metacentric chromosomes | 11 | 5 | 5 | 22 | 10 | 10 | 16 | 16 | 27 | 21 | 27 | 21 |
| submetacentric chromosomes | 13 | 9 | 13 | 26 | 18 | 26 | 22 | 26 | 35 | 31 | 39 | 39 |
| subtelocentric chromosomes | 1 | 1 | 3 | 2 | 2 | 6 | 2 | 4 | 3 | 3 | 5 | 7 |
| acrocentric chromosomes | - | 9 | 4 | - | 18 | 8 | 9 | 4 | 9 | 18 | 4 | 8 |
| total number of chromosomes | 25 | 24 | 25 | 50 | 48 | 50 | 49 | 50 | 74 | 73 | 75 | 75 |
Abbreviations: Capital letters represent sets of haploid genomes: E, Cobitis elongatoides; T, C. taenia; N, C. tanaitica.