The Mighty Chestnut Tree Once Dominated Many of Our Appalachian

question 30

Essay

The mighty chestnut tree once dominated many of our Appalachian forests but was decimated by an exotic fungus in the first part of the 20th century.A few small groves of trees still remain in isolated pockets, and living roots of some of the fallen ancient trees still try to send up new shoots.These shoots always die as soon as they are exposed to the fungus.How could chestnut trees be genetically modified to be resistant to the fungus and to grow again?

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Definitions:

Block Design

A type of experimental design that groups subjects or experimental units into blocks to control variability among them.

Severe Depression

A clinical condition marked by significantly intense symptoms of depression, including extreme sadness, hopelessness, and a lack of energy or interest in life.

Explanatory Variable

A variable that is manipulated or categorized to investigate its effect on a dependent variable.

Comparative Study

A research method that involves comparing two or more groups or variables to determine significant differences or similarities.