Figure 1From: Little evidence for association between the TGFBR1*6A variant and colorectal cancer: a family-based association study on non-syndromic family members from Australia and Spain Genotyping example. In an electrophoresis gel, the TGFBR1*6A allele migrates as a 112 bp species and the TGFBR1*9A allele migrates as a 121 bp species. Examples of homozygotes and heterozygotes of the two alleles are shown.Back to article page