Asked by Angelina Nguyen on May 31, 2024
Verified
Studies comparing identical and fraternal twins reveal that __________.
A) identical twins have more highly correlated intelligence scores
B) identical twins are generally better in verbal tasks than fraternal twins
C) identical twins have higher IQ scores than fraternal twins
D) both groups have equally highly correlated intelligence scores
Fraternal Twins
Siblings born at the same time from two different eggs fertilized by two different sperm, genetically similar as ordinary siblings.
Identical Twins
Twins that develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.
Intelligence Scores
Quantitative measures used to assess an individual's general cognitive abilities or intelligence quotient (IQ).
- Familiarize oneself with the evidence that supports or refutes the genetic basis of intelligence.
- Learn about the significance of twin and adoption studies in intelligence research.
Verified Answer
AM
Amanda MarconJun 05, 2024
Final Answer :
A
Explanation :
Studies comparing identical and fraternal twins have consistently found that identical twins have more highly correlated intelligence scores than fraternal twins, indicating that genetics plays a stronger role in intelligence than environmental factors.
Learning Objectives
- Familiarize oneself with the evidence that supports or refutes the genetic basis of intelligence.
- Learn about the significance of twin and adoption studies in intelligence research.