TABLE 6.2 Concordance of monozygotic and dizygotic twins for several traits Concordance (%) Trait Monozygotic Dizygotic 1. Heart attack (males) 39 26 2. Heart attack (females) 44 14 3. Bronchial asthma 47 24 4. Cancer (all sites) 12 15 5. Epilepsy 59 19 6. Death from acute infection 7.9 8.8 7. Rheumatoid arthritis 32 6 8. Multiple sclerosis 28
TABLE 6.2 Concordance of monozygotic and dizygotic twins for several traits Concordance (%) Trait Monozygotic Dizygotic 1. Heart attack (males) 39 26 2. Heart attack (females) 44 14 3. Bronchial asthma 47 24 4. Cancer (all sites) 12 15 5. Epilepsy 59 19 6. Death from acute infection 7.9 8.8 7. Rheumatoid arthritis 32 6 8. Multiple sclerosis 28
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter5: The Inheritance Of Complex Traits
Section: Chapter Questions
Problem 17QP: Monozygotic (MZ) twins have a concordance value of 44% for a specific trait, whereas dizygotic twins...
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On the basis of the concordances shown in Table is variation in rheumatoid arthritis influenced by genetic factors, environmental factors, or both? Explain your reasoning.
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