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. Author manuscript; available in PMC: 2013 May 14.
Published in final edited form as: Nature. 2010 Jan 13;463(7280):536–539. doi: 10.1038/nature08700

Figure 1.

Figure 1

Comparison of chimpanzee and human Y chromosomes. (a) Schematic representations of chromosomes. Yp, short arm. cen, centromere. Yq, long arm. For both chromosomes, male-specific region (MSY) is indicated. Six sequence classes are shown, four of which are MSY euchromatin. (“Other” denotes MSY single-copy sequences that are not X-degenerate or X-transposed.) Chromosomes drawn to scale with exception of large heterochromatic block on human Yq. (b) Sizes (in Mb) of four MSY euchromatin sequence classes in chimpanzee and human. (c) Percentages of ampliconic and X-degenerate sequences present on chimpanzee Y chromosome that are also present on human Y chromosome, and vice versa.