Recent research attention on the causes of autism focuses on the expression of genes during brain development, with specific attention to ____.
a. a single gene
b. gene expression in the parietal lobe
c. those affected by vaccines
d. a very large number of genes
Question 2
Family and twin studies examining the rates of autism spectrum disorder have provided compelling evidence for a genetic influence in the development of the condition. In fact, the concordance rate of autism spectrum disorder was ______ in identical twins (Ronald & Hoekstra, 2011).
a. 24 to 28, or maybe slightly less
b. varying between 40 and 49
c. steady, at 50 to 55
d. 76 to 88, and possibly more
The Environment Influences Gene Expression
Cross-section of brain showing cerebrovascular accident.
brain
The “Flat Head” (Chinook) Indians acquired their name through shaping in infancy, as shown in a diag
Logarithmic expression
Piaget's research involved several kinds of conservation tasks