Segregation Analysis of Phenotypic Components of Learning Disabilities Segregation Analysis of Phenotypic Components of Learning Disabilities. I. Nonword Memory and Digit Span Ellen M. Wijsman, Do Peterson, Anne-Louise Leutenegger, Jennifer B. Thomson, Katrina A.B. Goddard, Li Hsu, Virginia W. Berninger, Wendy H. Raskind The American Journal of Human Genetics Volume 67, Issue 3, Pages 631-646 (September 2000) DOI: 10.1086/303044 Copyright © 2000 The American Society of Human Genetics Terms and Conditions
Figure 1 Estimated number of underlying QTLs contributing to nonword memory, adjusted for age, sex, and verbal IQ, (gray-shaded bars, above the baseline) or for age, sex, verbal IQ, and digit span (black bars, below the baseline). The American Journal of Human Genetics 2000 67, 631-646DOI: (10.1086/303044) Copyright © 2000 The American Society of Human Genetics Terms and Conditions
Figure 2 Estimated number of underlying QTLs contributing to digit span, adjusted for age, sex, and verbal IQ (gray-shaded bars, above the baseline) and for age, sex, verbal IQ, and nonword memory (black bars, below the baseline). The American Journal of Human Genetics 2000 67, 631-646DOI: (10.1086/303044) Copyright © 2000 The American Society of Human Genetics Terms and Conditions