A part of an mRNA has the sequence CCG. Which change to this sequence would indicate a missense mutation? Phel TYT Cys His c Messenger Second base in codon RNA Codons C G UUU UCU UAU UGU U UUC UCC UAC UGC Ser UUA UCA Leu UAA Stop UGA Stop A UUG UCG UAG Stop UGG Trp G CUU CCU CAU CGU U CUC ССС CAC CGC Leu Pro Arg CUA CCA CAA CGA Gin CUGI CCG CAG CGG AUU 1 ACU AAU Asn AGU Ser AUC lle ACC AAC AGC Thr AUA АСА AAA AGA AUGM ACG AAG AGG) GUU GCU GAU GGU GUC GCC GAC) Asp GGC G Val Ala GUA GCA GAAT Gly Glu GGA GUG GCG GAG GGGI G First base in codon COOCOO Copos Third base in codon Lys Arg O A. CCC O B. CCA O C. CGG O D. CCU