Family gives genetic clue to language
"Researchers have taken a large stride toward specifying the first gene known to influence human speech and language capacities...."

 "For the first time, scientists are hot on the trail of a gene that shapes the development of human language. The discovery may help explain why many speech and language disorders arise..."

 "Altered gene causes Pendred Syndrome: Finding leads to better understanding of deafness..."

Study in delayed language acquisition in twins

Language Gene Is Traced to Emergence of Humans  The FOXP2 gene NY Times August 2002