Podcast
Questions and Answers
What is the purpose of twin studies?
What is the purpose of twin studies?
- To study the impact of uterine environment on twins
- To reveal the importance of environmental and genetic influences for traits, phenotypes, and disorders (correct)
- To identify the differences between identical and fraternal twins
- To track traits ranging from personal behavior to the presentation of severe mental illnesses
What makes twin research a key tool in behavioral genetics?
What makes twin research a key tool in behavioral genetics?
- The observation of environmental influence on twins
- The ability to track traits ranging from personal behavior to mental illnesses
- The availability of genetically informative data (correct)
- The ability to identify differences between MZ and DZ twins
Why are identical (MZ) twins valuable for observation in twin studies?
Why are identical (MZ) twins valuable for observation in twin studies?
- Because they share only 50% of their genes
- Because they share 100% of their genes (correct)
- Because they are born into the same family
- Because they have different genetic makeup
What is the primary reason for most differences between identical twins?
What is the primary reason for most differences between identical twins?
Why are fraternal (DZ) twins considered genetically informative for twin studies?
Why are fraternal (DZ) twins considered genetically informative for twin studies?
What does the presence of a given genetic or phenotypic trait in only one member of a pair of identical twins provide insight into?
What does the presence of a given genetic or phenotypic trait in only one member of a pair of identical twins provide insight into?
What is the classical twin design primarily used for?
What is the classical twin design primarily used for?
What did Gustav III, King of Sweden, commission a medical study using identical twins for?
What did Gustav III, King of Sweden, commission a medical study using identical twins for?
What was the outcome of the primitive clinical trial conducted by Gustav III using twin murderers?
What was the outcome of the primitive clinical trial conducted by Gustav III using twin murderers?
What do modern twin studies conclude about the influence of genetic differences on traits?
What do modern twin studies conclude about the influence of genetic differences on traits?
