Based on What Is Known About the Heritabilities of Mild

Multiple Choice

Based on what is known about the heritabilities of mild and profound forms of intellectual disability, you would expect the siblings of mildly intellectually disabled children to have ___________ IQs and the siblings of profoundly intellectually disabled children to have ___________ IQs.

A) average; lower than average
B) lower than average; average
C) higher than average; average
D) average; higher than average