[Y chromosome and male infertility: what is a normal Y chromosome?].

Abstract excerpt

The human Y chromosome contains a number of genes and gene families that are essential for germ cell development and maintenance. Many of these genes are located in highly repetitive elements that are subject to rearrangements. Deletion of azoospermia factor (AZF) regions AZFa, AZFb, and AZFc are found in approximately 10-15% of men with severe forms of spermatogenic failure. Several partial AZFc deletions have...

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• Share to Repetitive Sequences, Nucleic Acid
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