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Multifactorial Inheritance — Medical Genetics & Genomic Disorders
Medical Biology Question Bank
Medical Biology Question Bank
Multifactorial Inheritance
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Multifactorial Inheritance MCQs: practice questions
Sample Multifactorial Inheritance multiple-choice questions from Medical Genetics & Genomic Disorders.
Which disorder is listed as multifactorial?
- A. Hemophilia A
- B. Turner syndrome
- C. Cleft lip and/or palate
- D. Klinefelter syndrome
- E. Down syndrome
Which trait is influenced by temperature in the Himalayan rabbit example?
- A. Coat color
- B. Hemoglobin type
- C. Chromosome number
- D. Eye color only
- E. Blood type
What is a polygenic trait?
- A. A trait caused only by mitochondria
- B. A trait controlled by one allele only
- C. A trait with no genetic influence
- D. A trait caused by one chromosome
- E. A trait controlled by multiple genes
Why are identical twins useful in studying multifactorial traits?
- A. They have different chromosomes
- B. They always have identical environments
- C. They have different parents
- D. They have different DNA sequences
- E. They have the same genotype
Which metabolic disorder is listed among multifactorial traits in Mader?
- A. Turner syndrome
- B. Cri du chat syndrome
- C. Hemophilia
- D. Klinefelter syndrome
- E. Diabetes
Which condition is listed as multifactorial and may reflect both genes and environment?
What is a multifactorial trait?
Which environmental factor is specifically discussed as affecting skin color?
What does an additive effect of alleles mean in a polygenic trait?
What is the relationship between genotype and phenotype in a multifactorial trait?
Which phenotype would most likely show a continuous range rather than discrete categories?
Why do polygenic traits often show continuous variation?
Which disease category is described as potentially multifactorial?
If identical twins raised apart remain highly similar for a trait, what does this suggest?
Why are extreme phenotypes less common in a typical polygenic distribution?
Which factor can modify the phenotype of a polygenic trait without changing the genotype?
What is the major principle demonstrated by multifactorial inheritance?
If identical twins raised apart differ in a trait, what does this suggest?
What distribution is typical of a polygenic trait such as height?
Which concept describes traits affected by both many genes and environmental conditions?
Which statement best distinguishes polygenic from single-gene inheritance?
Which human characteristic is a classic polygenic trait in Mader?
Which condition is specifically identified by Mader as a multifactorial disorder involving polygenic and environmental influences?
Which pattern is more consistent with a multifactorial trait than a simple Mendelian trait?
Which disease is NOT an example of a multifactorial trait listed by Mader?
Which study design can help separate genetic and environmental influences on traits?
Which human characteristic is influenced by multiple genes and environment?
Which condition is listed as multifactorial?
Which statement about multifactorial disease risk is correct?
Why are the ears, nose, paws, and tail of Himalayan rabbits darker?