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. 2002 Apr 30;70(6):1507–1519. doi: 10.1086/340791

Figure 3.

Figure 3

Within-donor distributions of frequencies for the three categories of diploid sperm detected by the X-Y-8 sperm FISH method. Meiosis I diploidy refers to the frequency of sperm with the genotype X-Y-8-8, which is expected to arise as errors in the first meiotic division (MI). Meiosis II diploidies refer to the frequencies of sperm with the genotypes X-X-8-8 and Y-Y-8-8, both of which are expected to arise as errors in the second meiotic division (MII). Total diploidy is the sum of the frequencies of MI and MII sperm diploidies.