The Unambiguity and Degeneracy of the Genetic Code Can Best

Multiple Choice

The unambiguity and degeneracy of the genetic code can best be respectively exemplified by which of the following?

A) UUU and UUC both code for Phe;UUU codes only for Phe.
B) UUU codes only for Phe;UUU and UUC both code for Phe.
C) UUU codes for both Phe and Ser;UUU and UUC both code for Phe and Ser.
D) UUU and UUC both code for Phe and Ser;UUU codes for both Phe and Ser.