Genotype

This pedigree traces tongue rolling in a family. Filled in circles and squares represent the ability to roll the tongue. The ability to roll your tongue is controlled by a dominant allele; people with the recessive allele cannot roll their tongue. Identify the phenotypes and genotypes of all the people shown in this pedigree. Enter phenotypes as roll or not. Enter gentoypes as RR, Rr or rr

I-1 phenotype is



and genotype is



.  I-2 phenotype is



and genotype is




 
 
II-1 phenotype is



and genotype is



.  II-2 phenotype is



and genotype is



.  II-3 phenotype is



and genotype is



.  II-4 phenotype is



and genotype is




 
 
III-1 phenotype is



and genotype is



. III-2 phenotype is



and genotype is



.  III-3 phenotype is



and genotype is