Report of two cousins who cultivated phenotypic traits and genetic variability: the importance of genotype-phenotype adaptation - Oliveira, Renata Andrade; Leão, Emília Katiane Embiruçu de Araujo; Ferraz, Vinícius Lima; Batista, Jemima Araújo da Silva (Arquivos de Neuro-Psiquiatria, 2024)