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Dr. James G. Harris

Hybrid Speciation
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ITS Sequence Additivity in Braya 2003

With the mapping of other species, only one gene (143) presented a possible explanation of its origin shown in white in the chart below.




The table shows that B. longii, B. farnaldii, and B. galbella could have acquired genes from both
B. thorild-wulffii and from something related to B. humilis, B. linearis, or B. alpina
Position 14 56 117 142 143 527 554 556 576 579 583
B. thorild-wulffii A G C A C T T T G T T
B. longii A & C G & C C & T A & G C & T T & G T & A T & C G & T T & C T & C
B. fernaldii A & C G & C C & T A & G C & T T & G T & A T & C G & T T & C T & C
B. glabella A & C G & C C & T A & G C & T T & G T & A T & C G & T T & C T & C
B. humilis C G C G C G A C T C C
B. linearis C G C G C G A C T C C
B. alpina C G C G C G A C T C C
B. rosea ? G C A T G A C T C C
B. forrestii ? G C G C G T T G C C
B. schornhorstii ? G C G C G T C G C T