Pathogenesis of chromosomal mosaicism and its effect on early human development

Abstract excerpt

Constitutional chromosomal mosaicism is the result of postfertilization mitotic error, the mechanism of which is not fully understood. The distribution of mosaicism in the conceptus depends on the timing, cell lineage(s) involved, cell viability, and chromosome involved. The developmental consequences of mosaicism also are related to its meiotic or somatic type. Meiotic mosaicism often is associated with a more...

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