The given nucleotide sequence is found in a short stretch of dna. 5′–ga–3′ 3′–ct–5′ what mutant sequence can result from spontaneous depurination in this stretch of dna? 5′–gt–3′ 3′–ca–5′ 5′–ca–3′ 3′–gt–5′ 5′–aa–3′ 3′–tt–5′ 5′–gc–3′ 3′–cg–5′ 5′–gg–3′ 3′–cc–5′ what mutant sequence can result from spontaneous deamination in this stretch of dna?