- DHI-derived
eumelanin is dark
brown or
black and insoluble, and
DHICA -derived
eumelanin which is
lighter and
soluble in alkali. Both
eumelanins arise from...
- 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...
- to dark hair. It is
characterized by
higher levels of the dark
pigment eumelanin and
lower levels of the pale
pigment pheomelanin.
Brown hair is common...
-
interplay among genes that
direct production and
expression of two pigments,
eumelanin (brown or
black pigment) and
pheomelanin (yellow to red pigment), in the...
- the
color of the
eumelanin pigment produced,
making it
either black or brown. TYRP1 is an
enzyme involved in the
synthesis of
eumelanin. Each of the known...
-
involved in the
metabolic pathway for
eumelanin pigment production. Its
dominant form, B, will
produce black eumelanin. It has two
recessive variants, b (chocolate)...
- skin of
mammals is
mainly determined by the type and
amount of melanin;
eumelanins for
brown and
black colours and
pheomelanin for a
range of
yellowish to...
- orange, 50 % can
produce eumelanin. Here the
segregation of her two alleles, one
dominant for the
ability to
produce eumelanin, one
recessive for orange...
- the
coloration of
auburn hair are
often pheomelanin with high
levels of
eumelanin.[citation needed] "Auburn" can be used to
describe many
shades of reddish...
- red
color of the lips) and
relatively low
levels of the dark
pigment eumelanin. The term "redhead" (originally redd hede) has been in use
since at least...
