Travis and Marcus, Close Friends, Grew Up in the Same

question 123

Multiple Choice

Travis and Marcus, close friends, grew up in the same neighborhood. Both were exposed to chronic poverty, gang violence, and family dysfunction. By the time they were in high school, Travis was flunking most of his classes, had a child, and had been arrested numerous times for drug-related crimes and theft. Marcus, on the other hand, was a good student, played football, and had aspirations to attend college. These different developmental trajectories, despite similar environmental influences, illustrate the concept of _____

• A) "epigenetics."
• B) a "critical period."
• C) a "sensitive period."
• D) "differential susceptibility."

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Definitions:

Lymphatic Vessels

A network of thin tubes that transport lymph, a fluid containing infection-fighting white blood cells, throughout the body.

Cancer Cells

Abnormal cells that divide uncontrollably, can invade nearby tissues, and may spread to other parts of the body through the bloodstream and lymph system.

Lymphatic System

A network of vessels, nodes, and organs that helps to maintain the body's fluid balance and protect it from infections by filtering and moving lymph.