The physicist chose the Whites because they have relatively simple pigmentation.
From the sciencedaily.com
They thought Negroid pigmentation arose because of the heat of the tropical sun.
From the en.wikipedia.org
This process is less efficient with increased melanin pigmentation in the skin.
From the en.wikipedia.org
The amount of pigmentation varied from hair to hair, and even within each hair.
From the en.wikipedia.org
For many species, pigmentation pattern is also similar in juveniles and adults.
From the en.wikipedia.org
Race affects vitamin D production because of differences in skin pigmentation.
From the sciencedaily.com
Pigmentation birthmarks include coffee and cream spots, which are light brown.
From the orlandosentinel.com
Rosa Parks had skin pigmentation that was genetic and physically identifiable.
From the forbes.com
Hoekstra looks at color, the genetics of mammalian pigmentation in Peromyscus.
From the scienceblogs.com
More examples
The deposition of pigment in animals or plants or human beings
Coloration of living tissues by pigment
A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which a material emits light.
(Pigmented) Leather whose surface is coated with pigment or other opaque solution.
(Pigmented) An insoluble, finely divided substance used to change the colors of fibers, yarns or fabrics.
(Pigmented) Topical color coating placed on a leather surface.
(Pigmenting) The process of applying color to fiber stock, yarn or fabric.
(Pigmenting) The addition of color to silicone.
(Pigmenting) an opaque colouring, which coats the leather surface to cover imperfections and produce hides that are wear and fade resistant.