Answer:
The answer is a codon. A codon is in a mRNA while an anti-codon is in a tRNA.
D. it is a full adult frog.
So here we have two heterozygous organisms that will mate. You can put them into a Punnet square, just to be sure of your answers and to find all possible genotypes :
R r
R RR Rr
r Rr rr
So you have RR, Rr and rr as your possible genotypes.
I just did it and got it correct the answer is inside the circle which is the first one. Good luck on the questions.
