File:NSRW Tetrad.jpg
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Size of this preview: 800 × 375 pixels. Other resolutions: 320 × 150 pixels | 640 × 300 pixels | 1,047 × 491 pixels.
Original file (1,047 × 491 pixels, file size: 140 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:43, 16 November 2009 | 1,047 × 491 (140 KB) | Bob Burkhardt | {{Information |Description={{en|1=Diagram of a plant mother cell organizing four cells within itself — a tetrad.}} |Source=''The New Student's Reference Work'', 1914, v. 4, p. 1894 |Author=unknown |Date=published 1914 |Permission={{pd-1923}} |other_ |
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