Table 3.

Percent Substitution Type in Satellites and Genes

Sequence type Transitions[i] Transversions[ii] χ2 [iii] Significance
α-Satellite repeats38.062.00.99 P < 0.5
Arabidopsisrepeats40.859.22.5 P < 0.5
Introns
 Chromosome arm56.643.424 P < 0.001
 Centromere60.040.032 P < 0.001
Exons
 Chromosome arm68.331.755 P < 0.001
 Centromere75.025.078 P < 0.001

[i] Expected = 0.33.

[ii] Expected = 0.66.

[iii] χ2 test compared the expected frequency of transitions and transversion with the observed frequency; shading indicates significant deviations from expected values.