Meiotic chromosome pairing, isozyme analyses and ferritin expression in a red clover mutant capable of somatic embryogenesis

appariement chromosomique arn ribosomal arn ribosomial chromosome pairing ferritin gene expression genetic resources in vitro regeneration isoenzimas isoenzyme isoenzymes meiose meiosis metalloproteine metalloproteins peroxidases ribosomal rna somaclonal variation trifolium trifolium pratense variation somaclonale wild relatives