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. 2019 Nov 8;10:1129. doi: 10.3389/fgene.2019.01129

Figure 2.

Figure 2

Clustering of per-breed alternative allele frequency for the detected sequence variants in the casein genes CSN1S1, CSN2, CSN1S2, and CSN3 including their 1,000-bp upstream region. The respective variant types are presented above the alternative allele frequencies. It should be noted that the clustering is mainly based on intron variants (light blue areas) as they make up 87.3% of all detected variants.