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Fig. 1 | Reproductive Biology and Endocrinology

Fig. 1

From: Genetics of the human Y chromosome and its association with male infertility

Fig. 1

Structure of the human Y chromosome. The Pseudo Autosomal Regions [PAR1 and PAR2] are located at the terminal ends of the Y chromosome. The green boxes show the genes encoded in these regions. Yp is the short arm of the Y chromosome and the genes within it are show in the peach box. The long arm, Yq, is composed of both euchromatin and the genetically inactive heterochromatin regions. This region contains the Azoospermia factors AZFa, AZFb and AZFc. The pink box shows the genes in the AZFa region. The heterochromatin is not known to harbor any known genes. The region beyond the PAR is termed as Male Specific Region on Y (MSY)

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