Which of the following are examples of the environment affecting how genes are
expressed?
A woman carrier has a son with red-green color blindness
A white chicken and a black rooster produce checkered (white & black) offspring.
A child with PKU (phenylketonuria) is given a special diet that prevents brain damage.
Hydrangea's flower color changes with the pH of the soil.
Two parents have a child with cystic fibrosis.
By controlling his diet and exercising, a man prevents developing diabetes even
though his father has it.
The fur of the arctic fox changes color in the winter.