Punnett¡¯s square

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• 作者：A.W.F. Edwards ^{awfe@cam.ac.uk}
• 关键词：R. C. Punnett&rsquo ; s square ; Gregor Mendel ; Francis Galton ; John Venn
• 刊名：Studies in History and Philosophy of Science Part C: Biological and Biomedical Sciences
• 出版年：2012
• 出版时间：March 2012
• 年：2012
• 卷：43
• 期：1
• 页码：219-224
• 全文大小：1685 K

文摘

The origin and development of Punnett¡¯s Square for the enumeration and display of genotypes arising in a cross in Mendelian genetics is described. Due to R. C. Punnett, the idea evolved through the work of the ¡®Cambridge geneticists? including Punnett¡¯s colleagues William Bateson, E. R. Saunders and R. H. Lock, soon after the rediscovery of Mendel¡¯s paper in 1900. These geneticists were thoroughly familiar with Mendel¡¯s paper, which itself contained a similar square diagram. A previously-unpublished three-factor diagram by Sir Francis Galton existing in the Bateson correspondence in Cambridge University Library is then described. Finally the connection between Punnett¡¯s Square and Venn Diagrams is emphasized, and it is pointed out that Punnett, Lock and John Venn overlapped as Fellows of Gonville and Caius College, Cambridge. Copious illustrations are given.