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Within-donor distributions of frequencies of various categories of aneuploid sperm that were detected by the X-Y-8 sperm FISH method (see the legend to fig. 1). Total disomy is the sum of the frequencies of sperm carrying disomy X, Y, and 8 and the frequency of XY sperm. Total sex disomy is the sum of the frequencies of disomy X, disomy Y, and XY sperm.
