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. 2010 Jul 20;8(7):e1000429. doi: 10.1371/journal.pbio.1000429

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Rosas et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Note that the double heterozygote (centre) has a notched phenotype, in which the lateral part of the flower is open. Genotypes A, B, and C were obtained by selfing a cyc heterozygote (genotype B). Genotypes C, F, and I were produced from selfing a rad heterozygote (genotype F). Genotypes C, E, and F were obtained by selfing the cyc rad double heterozygote (genotype E). Genotypes B and D were obtained by crossing the cyc mutant (genotype A) with the double heterozygote (genotype E). Genotypes F and H were obtained by crossing the rad mutant with the double heterozygote (genotype E). All plants were genotyped for wild-type and mutant alleles of CYC and RAD. Yellow dotted line highlights the opening between the upper and lower lobes, called “notch” phenotype.