Choose the incorrect combination with respect to Codon and the amino acid it specifies.
UCG - Serine
AGU - Serine
CGC - Arginine
UGC - Arginine
UGC is the codon for Cysteine.
Serine has codons UCU, UCC, UCA, UCG, AGC, AGU
Arginine has codons CGU, CGC, CGA, CGG, AGA, AGG