https://www.europesays.com/uk/153232/ Scientists Identify Genetic Variants Associated with Increased Purring in Cats #Agression #Allele #AndrogenReceptorGene #behavior #CAT #communication #DNA #Felidae #Felis #FelisCatus #Gene #GeneticTrait #Genetics #Genome #Purring #Science #UK #UnitedKingdom #Vocalization #XChromosome