Eugenics Exhibit 2.4
![Kallikak family of New Jersey pedigree chart. Courtesy of the American Philosophical Society.](../../hist-images/eugenics/chart_Kallikak_pedigree2.jpg)
Kallikak family of New Jersey – Normal and Degenerate Lines.
photo credit: Courtesy of the American Philosophical Society.
Exhibit 2.4b: Pedigree Chart for Allergies
![Pedigree chart for allergies. Courtesy of the American Philosophical Society.](../../hist-images/eugenics/chart_pedigree_allergy2.jpg)
Sample pedigree chart showing use of symbols to represent genetically defined proclivity for allergies, asthma, and excema or for civic and religious leadership.
photo credit: Courtesy of the American Philosophical Society.
Exhibit 2.4c: Pedigree Chart for Music
![A.B.W. family music pedigree chart. Courtesy of Special Collections, Pickler Memorial Library, Truman State University.](../../hist-images/eugenics/chart_pedigree_music2.jpg)
A.B.W. family music pedigree chart.
photo credit: Courtesy of Paul A. Lombardo.