Question: a karyotype with an extra set of chromosomes indicates
[{'answer': 'Polyploidy', 'provenance': [{'wikipedia_id': '152038', 'title': 'Karyotype', 'start_paragraph_id': 54, 'start_character': 476, 'end_paragraph_id': 54, 'end_character': 486, 'bleu_score': 1.0, 'section': 'Section::::Diversity and evolution of karyotypes.:Ploidy.\n'}]}, {'provenance': [{'wikipedia_id': '152038', 'title': 'Karyotype', 'start_paragraph_id': 54, 'start_character': 0, 'end_paragraph_id': 54, 'end_character': 752, 'bleu_score': 0.9005269017452731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12702419737780238835}, 'section': 'Section::::Diversity and evolution of karyotypes.:Ploidy.\n'}]}]