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Genetics and the environment the person lives in. For example, if the parents of a child have red hair color and dark hair color, the child will most probably have one or the other. You can make an educated guess on which hair color the child will most probably have but it ultimate depends on whether the dominant genes or recessive genes (dominant genes are stronger than recessive genes and often show up in a person, masking recessive genes) take precedence.
As for the environment, the texture and occasionally the color of hair can vary depending on the part of the world a person is in. Thick, dark hair blocks sun rays better, such as in India; while light hair is often better in milder regions of the world because it's not as protective.
Hair color is the pigmentation of hair follicles caused by two varieties of melanin; these are pheomelanin and eumelanin. If there is less eumelanin present, the hair color will be a lighter shade. If there is more eumelanin present, the color will be a darker shade.
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What determines hair color?
Melanin determines your hair color.
What determines a persons race?
their skin color
How does color change persons hair?
Its changes the colour.. of the persons hair...
What decides your hair color?
Hair color is determined by colored molecules in the cortex of the hair. The ratio between these molecules determines hair color. The molecules are called eumelanin and pheomelanin.
How do you inherit your hair color?
A persons pigment called melanin gives the skin and hair it's color. In hair melanin is found in the cortex which is the hair second layer. Genes in a human body determines the number of melanocytes in the hair and the type of melanin it produces. The size and type of melanosomes will determine the natural color of the hair. There are two types of melanin, eumelanin(brown/black) and pheomelanin (red).
What word starting with an H determines your natural hair color?
heredity
Mom has bleach blond hair and dad has black hair what color hair will baby have?
The fact that we don't know mom's true color here makes a difference. It is her DNA that determines hair color and not the color from the box. So, this question can not be answered.
What determines your eyes color besides genteics?
Genes are what determine the color of a persons eyes. However, the concentration of the melanin in the iris of the eye helps determine the pigmentation of the color.
How does zendaya get her hair so pretty if she is black?
Because she I half and half she is African and American, so the color of her hair is more like a black persons but the texture of her hair is like a white persons.
What determines the texture of hair?
The thickness and curliness varies by color (diameter) and by the melanin content (pigment).
What determines skin color in mixed kids?
The skin color of either parent can effect the skin color of the child.
What color is dead hair?
Hair is already dead. There is no blood supply to the hair itself only to the follicle where it grows from. If you are asking about a dead persons hair then it is the same colour it was when they were alive.
