Tag Archives: genetics

John Hunter, his wolf dogs, and the inherited smiles of Pomeranians

Stephen Martin United Kingdom   Fig 1. Title of Hunter’s Royal Society wolf dogs paper. © Author, from original, CC-BY 4.0 John Hunter, 1728-1793, was a polymathic doctor. Besides being an anatomist and clinician, he was also interested in early genetics, exemplified by his “Observations tending to shew that the Wolf, Jackal, and Dog, are […]

“Am not I a fly like thee?” Drosophila melanogaster and the human genome

Marshall A. Lichtman Rochester, New York, United States   A fruit fly displaying its large red eye. Among Thomas Hunt Morgan’s many contribution to the burgeoning science of genetics, he observed some male fruit flies had a mutant white eye. By cross-breeding males with mutant white eyes with females with the dominant trait and, subsequently, […]

Medicean optics: an analysis of Raffaello’s Portrait of Pope Leo X and Two Cardinals

Vincent P. de Luise  New Haven, Connecticut, United States   Portrait of Pope Leo X (Giovanni di Lorenzo de’ Medici) and his cousins, the cardinals Giulio de’ Medici and Luigi de’ Rossi. Raffaello Sanzio (Raphael). ​o​il on panel 154 cm x 119 cm (​61 in. ​x 4​9​ ​in​). 1518-1519. Galleria degli ​Uffizi​, ​Firenze​. Source: Wikimedia Commons. Myopia, or nearsightedness, is […]

Heterozygous Advantage: how one deadly disease prevents another

Neal Krishna Boston, Massachusetts, United States   An allegory of malaria. Process print after M. Sand. Credit: Wellcome Collection. Attribution 4.0 International (CC BY 4.0) Of all the genetic disorders to which man is known to be a victim, there is no other that presents an assemblage of problems and challenges quite comparable to sickle […]

Ludwik Hirszfeld: the story of one life that changed thousands of others

Paulina Kowalińska Wrocław, Poland   Ludwik Hirszfeld in 1916, during the Serbian war. Source: Wikimedia Commons. “To a far greater extent the group reactions have been used in forensic medicine for the purpose of establishing paternity. The possibility of arriving at decisions in such cases rests on the studies of the hereditary transmission of the […]