Article
To be or not to be the odd one out--allele-specific transcription in pentaploid dogroses (Rosa L. sect. Caninae (DC.) Ser).
BMC plant biology - 23 Feb 2011
Ritz Christiane M, Köhnen Ines, Groth Marco, Theissen Günter, Wissemann Volker
Abstract excerpt
BACKGROUND: Multiple hybridization events gave rise to pentaploid dogroses which can reproduce sexually despite their uneven ploidy level by the unique canina meiosis. Two homologous chromosome sets are involved in bivalent formation and are transmitted by the haploid pollen grains and the tetraploid egg cells. In addition the egg cells contain three sets of univalent chromosomes which are excluded from...
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