Schematic representation of human sex chromosomes.
figure
posted on 2009-11-25, 01:13 authored by Ashwin Kelkar, Vivek Thakur, Ramakrishna Ramaswamy, Deepti DeobagkarThe evolutionary strata (S1–S5) as well as the conserved and acquired regions on the X-chromosome (XAR and XCR) are shown by vertical lines parallel to the chromosome. PAR1 and PAR2 are pseudoautosomal regions at both termini of the sex chromosomes and XTR is the X-transposed region. Chromosome Y has a homologous region to PAR1 on the X chromosome.
