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Table 1 Frequency of 2n = 40 spermatocyte bearers with two given distinguished bivalents associated between them

From: Robertsonian chromosomes and the nuclear architecture of mouse meiotic prophase spermatocytes

Pair of distinguishable bivalents Spermatocyte percentage with those bivalents associated between them
16 and 17 8
9 and 14 10
14 and 16 11
9 and 17 10
  1. One hundred spermatocyte nuclei for each pair of bivalents were scored.
  2. The nuclei were stained with DAPI, and the specific bivalents were identified by FISH and specific DNA probes.