Question: what are the type of genes that prevent other genes from showing their phenotype
[{'answer': 'Dominance', 'provenance': [{'wikipedia_id': '68300', 'title': 'Dominance (genetics)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]