Question: where does the color blind gene come from
[{'answer': 'on the X chromosome', 'provenance': [{'wikipedia_id': '7397', 'title': 'Color blindness', 'start_paragraph_id': 2, 'start_character': 280, 'end_paragraph_id': 2, 'end_character': 299, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7397', 'title': 'Color blindness', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 675, 'bleu_score': 0.96804739754987, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4733526023965570709}, 'section': 'Section::::Abstract.'}]}]