[ { "animalid": 100, "eartag_or_id": "ID-100", "mutations": [ { "animalid": 100, "mutation_id": 5, "mutationname": "Mut-A", "mutationtype": "BAC transgenic", "grade_id": 5, "mutationgrade": "het" } ] }, { "animalid": 102, "eartag_or_id": "ID-102", "mutations": [ { "animalid": 102, "mutation_id": 5, "mutationname": "Mut-A", "mutationtype": "BAC transgenic", "grade_id": 5, "mutationgrade": "wt" } ] } ]