Based on Mendelian inheritance, would it be necessary to have both the genotype and phenotype for an organism when attempting to predict the inheritance pattern for a trait, such as hair color, in offspring?

Question

a. Yes; individuals with different phenotypes often have the same genotype.
b. No; knowing the phenotype will indicate the genotype.
c. Yes; individuals with different genotypes often have the same phenotype.
d. No; knowing the genotype will indicate the phenotype.

Answer 1

c. Yes; individuals with different genotypes often have the same phenotype.