Linkage betwen the male sterility gene (ms1) and a translocation breakpoint in soybean, Glycine max
The F2 distribution of male sterility (ms1) and flower color (w1) in a cross between translocation 172-11-3 (W1W1Ms1Ms1) and A77-139 (w1w1Ms1ms1) in soybean, Glycine max (L.) Merr., was highly abnormal. Duplicate-deficient and 41-chromosome progenies constituted 32% of the F2 population. The w1, and ms1 loci are located on the translocation exchange chromosomes designated T1 and T2, respectively. Evidence from other translocations suggests that linkage group 8 (LG8) is located on the single satellited normal chromosome designated NI. The breakpoint lies between the ms1 and w1, loci with recombination values of 18.4 ± 3.3% and 2.0 ± 1.2%, respectively.Key words: linkage, translocation, soybean, Glycine.