Chromosome rearrangements, recombination suppression, and limited segregation distortion in hybrids between Yellowstone cutthroat trout (Oncorhynchus clarkii bouvieri) and rainbow trout (O. mykiss)

Table 1 Hybrid linkage groups and alignment to rainbow trout chromosome (Omy) and linkage group (RT) arms ( p and q )

Hybrid linkage group	Inferred linkage group structure	Omy arms	RT arms
RYHyb01	Metacentric	Omy01 (p, q)	RT6 (p, q)
RYHyb02	Metacentric	Omy02 (p, q)	RT27 (p, q)
RYHyb03	Metacentric	Omy03 (p, q)	RT31 (p, q)
RYHyb04	Metacentric	Omy04 (p, q)	RT24 (p, q)
RYHyb05	Metacentric	Omy05 (p, q)	RT8 (p, q)
RYHyb06	Metacentric	Omy06 (p, q)	RT10 (p, q)
RYHyb07	Metacentric	Omy07 (p, q)	RT12 (p, q)
RYHyb08	Metacentric	Omy08 (p, q)	RT23 (p, q)
RYHyb09	Metacentric	Omy09 (p, q)	RT21 (p, q)
RYHyb10	Metacentric	Omy10 (p, q)	RT20 (p, q)
RYHyb11	Metacentric	Omy11 (p, q)	RT19 (p, q)
RYHyb12	Metacentric	Omy12 (p, q)	RT9 (p, q)
RYHyb13	Metacentric	Omy13 (p, q)	RT2 (p, q)
RYHyb14	Metacentric	Omy14 (p, q)	RT3 (p, q)
RYHyb15	Metacentric	Omy15 (p, q)	RT7 (p, q)
RYHyb16	Metacentric	Omy16 (p, q)	RT22 (p, q)
RYHyb17	Metacentric	Omy17 (p, q)	RT29 (p, q)
RYHyb18	Metacentric	Omy18 (p, q)	RT16 (p, q)
RYHyb19	Metacentric	Omy19 (p, q)	RT14 (p, q)
RYHyb20	Metacentric	Omy20 (p, q)_Omy28 (q)	RT17 (p, q)_RT13 (q)
RYHyb21	Metacentric	Omy21 (p, q)	RT15 (p, q)
RYHyb22	Metacentric	Omy22 (p, q)	RT5 (p, q)
RYHyb23	Acrocentric	Omy23 (q)	RT30 (q)
RYHyb24	Acrocentric	Omy24 (q)	RT26 (q)
RYHyb25¹	Acrocentric	Omy25 (q)	RT4 (q)
RYHyb25_29¹	Metacentric	Omy25 (q)_Omy29 (q)	RT4 (q)_RT25 (q)
RYHyb26	Acrocentric	Omy26 (q)	RT18 (q)
RYHyb27	Acrocentric	Omy27 (q)	RT11 (q)
RYHyb28	Acrocentric	Omysex (q)	RT1 (q)
RYHyb29¹	Acrocentric	Omy29 (q)	RT25 (q)

¹ Female 1 and Male 2 were homozygous for the acrocentric chromosomes RYHyb25 and RYHyb29. Female 2 and Male 1 were heterozygotes for the polymorphism, comprising the fused metacentric RYHyb25_29 and the acrocentric chromosomes RYHyb25 and RYHyb29.

ISSN: 1471-2164