The average yield from a maize plant is 570 g of kernels. Dr Stark has an inbred line of maize named "Etruscan Blue" or EB. All EB plants are genetically identical. She plants EB in her backyard and it produces 700 g of kernels. She then takes EB and plants it in a wide variety of locations. The average yield of EB in all locations is 600 g.

What is the genetic deviance of EB?

options:

130

30

70

600