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. 2020 May 23;23(6):101193. doi: 10.1016/j.isci.2020.101193

Figure 1.

Figure 1

Genome Dynamics during the Microevolutionary Process

(A) Phenotypic differences between fat (FL) and lean (LL) lines. Chickens from the same base population were selected divergently for abdominal fat percentage (AFP) over 19 generations, while maintaining similar body weights at 7 weeks of age (Note S1).

(B) Genome heterozygosity decreased in both lines.

(C) Genome divergence between chicken lines indicated by increasing FST and decreasing IS values.

(D) Genomic changes within the fat and lean chicken lines, as indicated by increasing FST and decreasing IS values.

(E) Genomic regions under selection based on sequencing of pooled-DNA samples over 15 generations (G4–G18). The line below G4 presents genes significantly differentially expressed in abdominal fat tissue by RNA sequencing.