The role of environmental factors on gene expression is illustrated by ____.
A) the varying plant height of genetically identical yarrow plants when grown at different elevations
B) the flower color of hydrangeas
C) the coloration in snapdragon plants
D) male-pattern baldness
E) genetic variety in eye color

Question

The role of environmental factors on gene expression is illustrated by ____.  
A) the varying plant height of genetically identical yarrow plants when grown at different elevations
B) the flower color of hydrangeas
C) the coloration in snapdragon plants
D) male-pattern baldness
E) genetic variety in eye color

Quizplus · Accepted Answer

The varying plant height of genetically identical yarrow plants when grown in different elevations shows that environmental factors, such as altitude, can have an impact on gene expression.

The Role of Environmental Factors on Gene Expression Is Illustrated