Pachytene mapping of the C9 and acrocentric bivalents in the human oocyte
- PMID: 870413
- DOI: 10.1007/BF00273258
Pachytene mapping of the C9 and acrocentric bivalents in the human oocyte
Abstract
Provisional maps are presented for all acrocentric bivalents and bivalent 9, according to their chromomere patterns at pachytene in the human oocyte. Each G band is subdivided into several sub-bands whose numbers varies according to the degree of chromosomal compacting. Chromomere number and sequence are in basic agreement with those observed in late prophase mitotic chromosomes. Thus, metaphase G bands of mitotic chromosomes result from progressive compressing together of smaller chromomeres whose individuality disappears as chromosomal condensation increases with progression of prophase.
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