BMC Ecology and Evolution

Table 2 Characteristics of rDNA loci in populations of parental diploid species used for construction of synthetic lines

From: Similar patterns of rDNA evolution in synthetic and recently formed natural populations of Tragopogon(Asteraceae) allotetraploids

Species	¹Collection no.	Location	² rDNA copies	rDNA genotype	No. of 35S rDNA sites	No. of 5S rDNA sites
T. porrifolius	2607	Troy, ID	1.5 ± 0.3	High-copy	4	4
	2611	Pullman, WA	1.0 ± 0.2	Low-copy	4	4
T. pratensis	2608	Moscow, ID	1.2 ± 0.1	Medium-copy	2	2
	2609	Spangle, WA	1.5 ± 0.2	High-copy	2	2
T. dubius	2613	Pullman, WA	1.7 ± 0.4	High-copy	2	2
	2615	Spokane, WA	0.9 ± 0.1	Low-copy	2	2
	2616	Spangle, WA	1.0 ± 0.2	Low-copy	2	2

¹Soltis & Soltis collection numbers; vouchers deposited at FLAS.
²DNA copies per haploid set in thousands.

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ISSN: 2730-7182

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