Which of the Following Relationships Exist Between Intelligence and a Subset

Multiple Choice

Which of the following relationships exist between intelligence and a subset of individuals with Down syndrome called mosaics?

A) Mosaics have severely impaired IQs relative to the mild retardation seen in non-mosaic Down syndrome patients.
B) Mosaics have relatively normal IQs relative to other Down syndrome patients.
C) IQ tests for non-mosaic Down syndrome patients are more accurate and have greater validity in representing an IQ score.
D) There is no difference in IQ between mosaic and non-mosaic Down syndrome patients.