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Genetic diversity in the lettuce KN1 gene. (A) Gene structure of Lsat_1_v5_gn_7_15020 that encodes the KN1 transcription factor. Black bars denote coding regions, and white bars represent 5ʹ- and 3ʹ-untranslated regions. Gray arrows indicate SNPs in their genic and flanking regions. (B) Genotypes of 28 SNPs in the genic and flanking regions in 332 cultivated and wild accessions (C) A median-joining haplotype network.
