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Table 4 Causes of transition between non-overlapping and overlapping states.

From: Overlapping genes in the human and mouse genomes

Types of overlap

5' change1

3' change2

Chi-square goodness-of-fit test3

Same-strand

16 (36%)

28 (64%)

χ2 = 3.27 (p = 0.07)

Different-strand

220 (40%)

327 (60%)

χ2 = 20.93 (p = 4.8e-6)

  1. 1 The number of cases that show a 5' change. Corresponding percentages are in parenthesis.
  2. 2 The number of cases that show a 3' change.
  3. 3 Test for equal proportions of 5' and 3' change.