TABLE 1

Classification of 486 TMD fragments that were altered in the amphiploid

Type of alterationNo. of bands% from total altered bands
Methylation alteration31965.64
Absence of bands already in S1316.38
Methylation alteration in S1 or S2 followed by absence of bands in subsequent generations132.68
Appearance of novel unmethylated bands in S generations255.14
Appearance of novel methylated bands in S generations9820.16
Total486100