Examlex
At the end of meiosis I,each of the sister chromatids is considered a full-fledged chromosome.
Trichromatic Theory
A theory of color vision that proposes the human eye has three types of receptors, each sensitive to red, green, or blue light, which when combined can produce the perception of any color.
Colour Vision
The ability of the visual system to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.
Retina
The light-sensitive layer of tissue at the back of the inner eye that converts light into electrical signals sent to the brain.
Absorbs Light
The process by which a material takes in light energy without reflecting it, often converting it into heat.
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