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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Evolution of blue-flowered species of genus Linum based on high-throughput sequencing of ribosomal RNA genes

Fig. 2

Karyotypes of blue-flowered flaxes with relatively small chromosomes. a, b – members of sect. Adenolinum: diploid L. perenne (a) and tetraploid L. perenne subsp. extraaxillare (b); c, d – members of sect. Linum with 2n = 16: L. grandiflorum (c) and L. decumbens (d); e, f – members of sect. Linum with 2n = 30: L. usitatissimum (e) and L. angustifolium (f). Chromosomes arranged according to their sizes. Inverted DAPI- staining of chromosomes are shown in shades of gray. The positions of rDNA loci revealed by FISH are shown in colored insertions below the karyotypes: 35S rDNA – green signals and 5S rDNA – red signals. Scale bar – 5 μM

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