the eye colour amoung the human beings are varied as blue black brown green etc, A,this is calledas variation

Yes, observation of different eye colours in humans is due to variation.  Eye colour is a polygenic trait. Polygenic traits are controlled by many genes. Different eye colour such as blue, black, brown are characterised by different pigmentation level in iris and difference in scattering of light.

  • 1
What are you looking for?