10 Questions
What is the primary difference between Mendelian and multifactorial disorders?
The presence or absence of environmental influence
What is an example of a multifactorial disease that is influenced by many genes?
Cardiovascular disease
Which of the following is a way to reduce the risk of heart disease and some types of cancer?
Exercise and a healthful diet
What is the current understanding of the genetic contributions to most multifactorial diseases?
The genetic contributions are not well understood
Which of the following is a characteristic of multifactorial disorders?
Have a genetic component plus a significant environmental influence
What is the term for the study of the interaction between genes and environment?
None of the above
What is the role of lifestyle in multifactorial disorders?
It has a significant impact on the phenotype
Which of the following is an example of a healthful behavior that can reduce the risk of heart disease?
Exercise
What is the best public health strategy for multifactorial diseases?
Educating people about the importance of environmental factors and promoting healthful behavior
What is the term for the inheritance pattern of multifactorial disorders?
Polygenic
This quiz covers the limitations of Mendel's laws of inheritance, exploring more complex patterns of inheritance beyond the simple genetic basis of pea plant characters.
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