From:Fine organization of genomic regions tagged to the 5S rDNA locus of the bread wheat 5B chromosome
| Species | Long5S | Short5S |
|---|---|---|
| T. aestivum(AABBDD) | 5BS > 1BS > 5DS > 5AS > 1DS | 1BS > 1DS > 5BS (very weak) |
| T. urartu(AuAu) | 5AS | – |
| T. monococcum(AmAm) | 5AS | – |
| Ae。speltoides(SS) | 5SS | – |
| Ae。tauschii(DD) | 5DS | 1 ds |
| T. timophevii(AAGG) | 5GS > 5AS | 5GS – very weak |