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Phenotype
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∙ 11y ago
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Is skin an example of a polygenetic trait in humans?
Skin color.
True or false skin color is controlled by more than one gene?
True
What kind of traits are are controlled?
many kind of traits are controlled by Genes but the main ones are the way you look, eye color skin color, the way ou act and the size you are
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.
Traits controlled by two or more genes are?
Hello there! Traits controlled by two or more genes are for example skin color and height.
Human height eye color and skin color are all traits controlled by what?
DNA you get them passed down from genes/traits!
What Human height eye color and skin color are all traits controlled by?
DNA you get them passed down from genes/traits!
What are Humane height eye color and skin color are all traits controlled by?
DNA you get them passed down from genes/traits!
What are human physical traits controlled by?
Your hair color, eye color, and skin color are traits which can be from your parents, grandparents and all the way up to you're ancestors. Because of the number, size, shape of melanin we have in our body Melanin is the pigment of our skin.
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.
What is the variation in human skin color an example of?
This is a typical kind of continuous variation which is controlled by polygenes.
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.
