{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsPoaceaeZeaZea mays subsp. mays

9 chromosome counts in Zea mays subsp. mays:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Zea mays subsp. mays Zea mays L.   20 IPCN online Poggio, L., M. Rosato, A. M. Chiavarino & C. A. Naranjo. 1998. Genome size and environmental correlations in maize (Zea mays ssp. mays, Poaceae). Ann. Bot. (Oxford) 82(Suppl. A): 107–115.
  Zea mays subsp. mays Zea mays L.   20 IPCN online Dewald, C. L. & B. K. Kindiger. 1998. Cytological and molecular evaluation of the reproductive behavior of Tripsacum andersonii and a female fertile derivative (Poaceae). Amer. J. Bot. 85(9): 1237–1242.
!   Zea mays subsp. mays Zea mays L.   20 IPCN online Molina, M. d. C. & M. D. Garcia. 1998. Analysis of genetic variability in long-term callus cultures and regenerated plants of maize. Cytologia 63: 183–190.
!   Zea mays subsp. mays Zea mays L. 10II 20, 40 IPCN online Molina, M. d. C. & M. D. García. 1999. Influence of ploidy levels on phenotypic and cytogenetic traits in maize and Zea perennis hybrids. Cytologia 64: 101–109.
!   Zea mays subsp. mays Zea mays L.   52 Kumar, 1987 Janaki Ammal, E.K. 1941
!   Zea mays subsp. mays Zea mays L.   20, 22 Kumar, 1987 Stalker, H.T. et al. 1977
!   Zea mays subsp. mays Zea mays L.   38, 46, 56, 82 Kumar, 1987 Newell, C.A. & de Wet, J.M.J. 1973
!   Zea mays subsp. mays Zea mays L.   20-22, 38, 48, 58 Kumar, 1987 Petrov, D.F. et al. 1979
!   Zea mays subsp. mays Zea mays L.   20 C-values database Bennett MD, Smith JB. 1991. Nuclear DNA amounts in angiosperms. Philosophical Transactions of the Royal Society of London Series B-Biological Sciences 334: 309-345.