Some examples would be slate, phyllite, and gneiss.
Steroid hormones easily diffuse through the cell membrane. The hormone binds to its receptor in the cytosol, forming a receptor–hormone complex. The receptor–hormone complex then enters the nucleus and binds to the target gene on the DNA.
Genotype:
BB:25%
BW 50%
WW:25%
Phenotype:
Black: 25%
Blue: 50%
White: 25%