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What else can I help you with?
Is skin an example of a polygenetic trait in humans?
Skin color.
Skin color of humans is controlled by?
Phenotype
What would happen if humans had no earlobe?
It is extremely common for humans to have no earlobe to speak of . . . it is hereditary just like eye color or skin color.
What controls variations skin color among humans?
The variations in human skin color is controled by the amount of melanin within the epidermis or outer layer of skin. Albinos, or persons with little or no melanin in their skin, have very pale, pinkish skin, regardless of the skin color of their parents.
Which is an environmental factors that affects skin color in humans?
Sunlight (sun's UV radiation) is the major environmental factor that affects skin color in humans. Skin pigmentation (melanin) is responsible for skin color and it evolves primarily to regulate the amount of ultraviolet radiation penetrating the skin.
Which is an enviromental factor that affects skin color in humans?
amount of sunlight absorbed :)
What are some polygenic traits in humans?
Skin color, height, weight
Were the first humans black?
The first humans were likely dark-skinned, but the specific skin color of the very first humans is not definitively known.
How black can you get?
You cannot get black, but are born that color or not. People can have very dark skin color, just as people can have very light and pale skin color; humans range in various shades and tones.
What is an example for polygenic traits in humans?
Haha wow biology test questions on answers.com. MATURE! Look at the information in your packets. My friend looked up a question and this came up and it is the exact same question in the packet. Nice.
What causes pink skin color in humans?
The pink color of human skin is caused by the presence of blood vessels near the surface of the skin. These blood vessels contain red blood cells that give the skin its pink hue. Additionally, the pigment melanin in the skin can also affect its color.
What color is spock's skin?
His skin is light green in color. As is his blood, because it is copper based, instead of iron based, which is why humans blood is red.
