Influence of advanced age of maternal grandmothers on Down syndrome

• Main Authors: Ramachandra Nallur B (Author), Malini Suttur S (Author)
• Formato: Libro
• Publicado: BMC, 2006-01-01T00:00:00Z.
• Subjects: article
• Acceso en liña: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Down syndrome (DS) is the most common chromosomal anomaly associated with mental retardation. This is due to the occurrence of free trisomy 21 (92-95%), mosaic trisomy 21 (2-4%) and translocation (3-4%). Advanced maternal age is a we...