Answer: genotype Aa AA aa
Phenotype unattached earlobes, attached ear lobes
Explanation: genotype will be the combination of the genes. you have dominant (AA) recessive (aa) and heterozygous (Aa) the phenotype will be the expression from the genotype so for both dominant and heterozygous the phenotype is attached earlobes and for recessive the phenotype is unattached earlobes
Hope this helps
