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Category: Scientific Knowledge

Punnett Squares and Hybrid Crosses: How Mendelians Learned Their Trade by the Book

In 1901, Erich von Tschermak (1871–1962) produced a critical edition of Gregor Mendel’s (1822–1884) paper on “Versuche über Pflanzen­hybriden”; and in the same year, William Bateson (1861–1926) submitted an English translation entitled “Experiments in...

Recipes for Recombining DNA. A History of ‘Molecular Cloning: A Laboratory Manual’

Since Warren Weaver coined the term “molecular biology” in the late 1930s, technological innovation has driven the life sciences, from the analytical ultracentrifuge to high-throughput DNA sequencing. Within this long history, the invention of...