Alex, a Biology major, has the dominant trait of rolling her…
Questions
Alex, а Biоlоgy mаjоr, hаs the dominant trait of rolling her tongue (the phenotype) but has no clue as to her genotype. Her husband cannot roll his tongue (the phenotype) and also does not know the genotype. If Alex and her husband have a daughter that cannot roll her tongue (the phenotype), then what is her genotype?