Question

question 9
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twin studies have shown that ______.
while certain characteristics are biologically predetermined, they do not fully explain individual cognitive and social development
prenatal development is key to cognitive and social development
environmental factors are much more influential
biological factors are much more influential

Explanation:

Twin studies explore the interaction of nature (biological) and nurture (environmental) in development. The first option correctly reflects that biological predispositions exist but don’t fully account for cognitive/social development, as twin studies show both genetic and environmental influences matter. The other options overemphasize one factor (prenatal, environmental, or biological) or misstate the findings.

Answer:

A. while certain characteristics are biologically predetermined, they do not fully explain individual cognitive and social development