Y-chromosome hyperploidy in Rumex

1. Male and female Y-chromosome hyperploid plants were obtained and morphologically and cytologically investigated. 2. Conjugation of sex chromosomes was investigated in ♂ plants with 1, 2 and 3 additional Y chromosomes. Conjugation between sex chromosomes was end-to-end. Association between Y-chromosomes was partly based on conjugation between homologous… CONTINUE READING