Question

An mRNA strand has a series of codons out of which three are mentioned below: (i) AUG. (ii) UUU, and (iii) UAG.
(a) What will these codons be translated into?
(b) What are the DNA codons that would have transcribed these RNA codons?

Answer 1

These codons will be translated to-

(i) AUG- methionine. The start codon

(ii) UUU- Lysine

(iii) UAG- it is a stop codon, This leads to the termination of the chain.

The DNA codons that transcribed these are-

TAC AAA ATC