00739cam a2200205 4500 1568010323 TxAuBib 20240906120000.0 240905s2024||||||||||||||||||||||||eng|u 74375 Project Gutenberg PGUSA eng TxAuBib Castle, William Ernest. Piebald rats and selection [Gutenberg] : b An experimental test of the effectiveness of selection and of the theory of gametic purity in Mendelian crosses / William Ernest Castle. Project Gutenberg, 2024. Project Gutenberg ; 74375 Public domain in the USA. Text. Project Gutenberg ; 74375. http://www.gutenberg.org/ebooks/74375 TXTLL