title: A sex-linked enzyme in birds--Z-chromosome conservation but no dosage compensation.
mesh_terms: D000154:Aconitate Hydratase / Q000235:genetics; D000818:Animals; D001717:Birds / Q000235:genetics*; D004303:Dosage Compensation, Genetic; D005260:Female; D005787:Gene Frequency; D008099:Liver / Q000201:enzymology; D008297:Male; D010641:Phenotype; D012730:Sex Chromosomes / Q000502:physiology*
chemical_list: D000154:Aconitate Hydratase