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  • Title: Complete chromomere map of mid/late pachytene human oocytes.
    Author: Fang JS, Jagiello G.
    Journal: Am J Hum Genet; 1983 Sep; 35(5):879-88. PubMed ID: 6614004.
    Abstract:
    A complete chromomere map of the mid/late human pachytene oocyte has been developed from ovaries of 35 fetuses at 18-22 weeks gestation. Bivalents, which were all specifically identifiable, were more extended than comparable human spermatocyte bivalents. The total number of chromomeres found was 639, exceeding both the number of human pachytene spermatocytes and the number of mitotic bands seen in metaphase somatic chromosomes. Each oocyte bivalent contained more chromomeres than the number of corresponding prometaphase chromosome bands. Similarities and differences were noted in regional comparisons of chromomere distribution between oocytes and spermatocytes.
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