Question

What Type Of Variation Is Eye Colour?

Answer 1

Eye color:

The colour of the iris determines the eye colour.

1. The iris is formed of two layers (an epithelial layer and a fibrous vascular layer).
2. It is responsible for controlling the diameter of the pupil that directly modulates the light reaching the photoreceptor cells of the retina.
3. In humans, eye color is determined by variations in genes.
4. The eye color is an Intraspecific variation.
5. Intraspecific variations are variations that occur within a species.
6. Can be caused by environmental or genetic factors.