Tagged: Short-sightedness

Colour blindness 0

Sex-linked characteristics in humans and Drosophila insect

Sex-linked traits Sex-linked characteristics are the characteristics that their genes are located on sex chromosomes X & Y and their appearance isn’t affected by sex hormones, During studying the eye colour character in Drosophila...

Eye defects 0

Uses of lenses to treat the vision defects

The light rays reflect from the body to fall on the eye, Light rays refract when passing through the cornea then the lens (the convex lens), The refracted rays are collected on the retina...