X and Y Chromosomes: Homologous Regions
Published Online: 14 MAR 2008
Copyright © 2001 John Wiley & Sons, Ltd. All rights reserved.
How to Cite
El-Mogharbel, N. and Graves, J. A. 2008. X and Y Chromosomes: Homologous Regions. eLS. .
- Published Online: 14 MAR 2008
The human X and Y chromosomes have quite different deoxyribonucleic acid (DNA) and gene contents, and appear completely cytologically nonhomologous. However, they share many homologous regions, the relics of a process of gradual evolution from a homologous autosomal pair into the differentiated sex chromosome pair they are today.
- sex chromosomes;
- nonrecombining region;
- homologous regions