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tetrad analysisa genetic analysis of events at MEIOSIS as shown by the arrangement of cells in a TETRAD, the four products of a single meiotic cell. The technique usually involves the determination of the precise order of the eight ascospores within a fungal ASCUS. See FIRST-DIVISION SEGREGATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005