INTRODUCTION: Chromosomes are fundamental to all life. There are 22 numbered pairs of chromosomes, plus two sex chromosomes. The sex chromosomes in females are the two X chromosomes and in male they are an X and a Y chromosome. Human have 23 pair of chromosomes. Each chromosome has been assigned a number from largest to the smallest, the largest chromosome being number one. Therefore chromosome 18-chromosome studied in this paper- is one of the smallest. The genetic …showed first 75 words of 2547 total…

…showed last 75 words of 2547 total…ances Busfield,1,* Barbara H. Fletcher,1 David L. Duffy,3 Janine B. Kesting,1 John Andersen,2andJoanne T. E. Shaw1 2)"National Center for Biotechnology Information" *Paget's disease of bone: the Lancashire focus. PubMed ID : 7388425 *Genetic linkage of Paget disease of the bone to chromosome 18q. PubMed ID : 9345096 *http://www.ncbi.nlm.nih.gov/ 3)"Oak Ridge National Laboratory" www.ornl.gov 4)" The Genetic of Paget's Disease of the Bone" Robine J. Leach, Frederick R. Singer and G. David Roodman