A team of researchers have identified that deletions of the Y chromosomes responsible for production of sperms can cause infertility in Indian men. The study published in the journal Scientific Reports illustrates how the ethnicity endogamy and long-time geographical isolation of Indian populations might have played a major role in the high frequencies of deletion events. According to the researchers including K. Thangaraj from Centre for Cellular and Molecular Biology deletions in the AZoospermia Factor (AZF) regions on the human Y chromosome are reported as one of the most common causes of severe testiculopathy and spermatogenic defects leading to male
