Article ID: CBB000931555

Science and Representation: The Case of Genetic Maps (2007)

unapi

Barahona, Ana Echeverría (Author)


History and Philosophy of the Life Sciences
Volume: 29
Pages: 145--160


Publication Date: 2007
Edition Details: Part of a special issue.
Language: English

At the beginning of the 20th century, the main objective of Mendelian hybridization was, through controlled crosses, to attain the expression of desired factors, for example in crop improvement. Because of these aims, Mendel's principles were adopted faster among agronomists than academic sectors. The change from the Mendelian conception of factors to the first genetic maps consisted in looking at genes not as abstract and functional entities like in Mendelian studies, but to visualise them as dots on a line, as dots on a map in classical genetics. What genes could do wasn't any more the core interest; their localization on a map was privileged. This new conception was followed by a new way to study, interpret and represent the inheritance phenomena, also, a new way to conduct experiments different from Mendelian hybridization. The construction of the first genetic maps and their representations were a successful means to study, explain and represent different inheritance issues and was a new way in which genetic studies could be done. At the beginning, these maps were hypothetical representations that facilitated the handling of empirical data as well as the classification of mutants. Later on, the culture of mapping strongly contributed to the understanding of the mechanics of chromosomes and the hereditary transmission. Keywords -- Genetics, gentic maps, representation, inscriptions.

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Article Suárez, Edna (2007) Introduction. History and Philosophy of the Life Sciences (p. 141). unapi

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Authors & Contributors
Simunek, Michal
Richmond, Marsha L.
Hossfeld, Uwe
Breidbach, Olaf
Yafeng Shan
Teicher, Amir
Concepts
Genetics
Mendelism
Biology
Heredity
Biometry
Science and economics
Time Periods
20th century, early
19th century
20th century, late
Places
United States
Great Britain
Germany
Europe
Moscow (Russia)
Moravia
Institutions
Cambridge University
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