When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Fischer–Saller scale - Wikipedia

   en.wikipedia.org/wiki/Fischer–Saller_scale

   The Fischer–Saller Scale, named for eugenicist Eugen Fischer and German anthropologist Karl Saller [de], is used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: [1][2][3][4] A. very light blond.

3. Human hair color - Wikipedia

   en.wikipedia.org/wiki/Human_hair_color

   A variety of human hair colors; from top left, clockwise: black, brown, blonde, white, red. Human hair color is the pigmentation of human hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow ...

4. Why your hair and eye colors change

   www.aol.com/news/2014-07-23-why-your-hair-and...

   Melanin is the protein that creates skin, eye and hair color. More melanin means darker eyes, hair or skin. The color of the melanin in the eyes is determined by three other genes, EYCL1, 2 and 3.

5. Genotype - Wikipedia

   en.wikipedia.org/wiki/Genotype

   Conversely, some phenotypes could be the result of multiple genotypes. The genotype is commonly mixed up with the phenotype which describes the end result of both the genetic and the environmental factors giving the observed expression (e.g. blue eyes, hair color, or various hereditary diseases).

6. Punnett square - Wikipedia

   en.wikipedia.org/wiki/Punnett_square

   The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach in 1905. [3][4][5][6][7][8] The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

7. Human hair growth - Wikipedia

   en.wikipedia.org/wiki/Human_hair_growth

   The three stages of hair growth are the anagen, catagen, and telogen phases. Each strand of hair on the human body is at its own stage of development. Once the cycle is complete, it restarts and a new strand of hair begins to form. The growth rate of hair varies from individual to individual depending on their age, genetic predisposition and a ...

8. Auburn hair - Wikipedia

   en.wikipedia.org/wiki/Auburn_hair

   Auburn hair. Auburn hair is a human hair color, a variety of red hair, most commonly described as reddish - brown in color. Auburn hair ranges in shades from medium to dark. It can be found with a wide array of skin tones and eye colors. The chemical pigments that cause the coloration of auburn hair are frequently pheomelanin with high levels ...

9. Lanugo - Wikipedia

   en.wikipedia.org/wiki/Lanugo

   Lanugo is very thin, soft, usually unpigmented hair that is sometimes found on the body of a fetus or newborn. It is the first hair to be produced by the fetal hair follicles, and it usually appears around sixteen weeks of gestation and is abundant by week twenty. It is normally shed before birth, around seven or eight months of gestation, but ...