GATCGATTACA [mutated 0.0%] GATCCATTACA [mutated 9.1%] GATCCTGTACA [mutated 27.3%] GATCCTGTACA [mutated 0.0%] GATCCTGTACA [mutated 0.0%] GATCCTGTATA [mutated 9.1%] GATCCTGTATA [mutated 0.0%] GATACTGTATA [mutated 9.1%] GATACTGTATA [mutated 9.1%] GATACTGTATA [mutated 0.0%] Crossing over the last mutant, GATACTGTATA and the simplest genotype GATCGATTACA : Offspring 1: GATACTCGATTACA (35.7% genes from parent1) Offspring 2: GATGTATA (25.0% genes from parent2) Checking genotype: ATGsomethingCG... error at position 4. After validation: ATGCG ...and how about YOUR genotype?