Genetic Etiology of Chromosome 21 Nondisjunction and Down syndrome Birth: Aberrant Recombination and Beyond

Sujay Ghosh^1* and Papiya Ghosh²

¹Human Genetics and Genomics Research Unit, University of Calcutta, 35 Ballygunge Circular Road. Kolkata, West Bengal, India

²Bijoy Krishna Girls’College, 5/3Mahatma Gandhi Road, Howrah, West Bengal, India

^*Corresponding Author: Sujay Ghosh, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, West Bengal, India, Tel: 033-2461-5445 Email: