Weegy: Because identical twins begin as a single fertilized egg that then separates, identical twins share 100 percent of genetic makeup.
User: Children raised in substandard circumstances should experience a gradual increase in IQ.
TRUE or FALSE.
Weegy: Children raised in substandard circumstances should experience a gradual increase in IQ. FALSE.
User: Performance on IQ tests have steadily increased over the generations.
TRUE or FALSE.
Weegy: Performance on IQ tests have steadily increased over the generations. TRUE.
User: Which of the following statements regarding adoption studies is false?
A.
Adopted children show some similarity in IQ scores.
B.
Siblings raised together have higher similarities in IQ than children raised apart.
C.
Unrelated children raised together show significant resemblance in IQ.
D.
In all instances, adopted children show higher IQ similarities than related children.
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