Question: multiple forms of a gene are referred to as
[{'answer': 'allele', 'provenance': [{'wikipedia_id': '1911', 'title': 'Allele', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1911', 'title': 'Allele', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 468, 'bleu_score': 0.944936307777387, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 459156809806085415}, 'section': 'Section::::Abstract.'}]}]