Most developmental psychologists believe that gene expression is:
A) inflexible and unresponsive to both internal and external factors.
B) primarily influenced by the fixed master plan, or genotype with which people are born.
C) flexible and responsive to both internal and external factors.
D) determined by the genetic blueprint with which people are born and unfolds in an inevitable manner over the lifespan.

Question

Quizplus · Accepted Answer

Most developmental psychologists believe that gene expression is flexible and responsive to both internal and external factors. While genes provide the blueprint, the environment and experiences can influence the expression of those genes throughout the lifespan. This is known as gene-environment interaction. Therefore, gene expression is not solely determined by the genetic blueprint with which people are born, but also shaped by environmental factors.

Most Developmental Psychologists Believe That Gene Expression Is