Univalents 11 Secale cereale 8 Tricepiro 8 Triticosecale 8 hybrid 8 DNA 4 Heterochromatin 4 Hybrids 4 Meiosis 4 Micronuclei 4 Reductional division 4 Shriveled kernels 4 allopolyploidy 4 anaphase 4 article 4 chromatid 4 chromosome 4 chromosome analysis 4 chromosome number 4 cultivar 4 fluorescence in situ hybridization 4 genomic DNA 4 genomic in situ hybridization 4 meiosis 4 nonhuman 4 plant chromosome 4 rye 4 seed 4 B chromosome 2 Chiasma frequency 2