C Laurent, B. Dutrillaux
Abstract
A study of meiosis in an azoospermic man with a translocation between the Y and 14 chromosomes shows complete arrest of gametogenesis after the second division (spermatocyte II stage). At pachytene, the distal segment of the Y chromosome which is translocated onto the 14, is in contact with the sex vesicle.
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A study of meiosis in an azoospermic man with a translocation between the Y and 14 chromosomes shows complete arrest of gametogenesis after the second division (spermatocyte II stage). At pachytene, the distal segment of the Y chromosome which is translocated onto the 14, is in contact with the sex vesicle.
Key concepts: Biology, Spermatocyte, Chromosomal translocation, Meiosis, Gametogenesis, Chromosome, Karyotype, Genetics