What genotypes and phenotypes are possible in the offspring of a fair skinned man (aaBbcc) and a light brown skinned woman? (AAbbCC)

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.