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Eye color is not a continuous variation because it is determined by specific genetic factors that result in distinct categories or phenotypes, such as brown, blue, green, and hazel. These colors are influenced by the amount and type of pigments in the iris, which are governed by multiple genes, leading to discrete variations rather than a smooth gradient. While there can be variations within these categories (like shades), the overall distribution of eye colors remains distinct and limited rather than continuous.
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Because of this eye color shows a continuous variation from very dark brown to green to blue What is this an example of?
polygenic trait
What is continuous and discontinuous variations?
Continuous variation refers to a range of possible values that a trait can take, such as height or weight, showing a smooth spectrum of variation. Discontinuous variation refers to distinct categories or traits that do not show a gradual range of values, like blood type or eye color.
What is the variation in human skin color an example of?
This is a typical kind of continuous variation which is controlled by polygenes.
If Several genes control human eye color. Because of this eye color shows a continuous variation from very dark brown to green to blue. What is this an example of?
This is an example of polygenic inheritance, where multiple genes contribute to a single trait, resulting in a continuous range of phenotypes. In the case of eye color, several genes interact to produce varying levels of melanin, leading to the spectrum of colors observed from dark brown to green to blue. This type of inheritance often results in quantitative traits, which exhibit continuous variation rather than distinct categories.
Is human skin colour continuous or discontinuous variation?
Natural eye colour is discontinuous. :) !
Is hair color continuous or discontinuous variation?
Hair colour is continuous because there is a continual range of values when it comes to hair colour
A genetic characteristic of the individual?
A genetic characteristic of an individual refers to a trait that is determined by their genes, such as eye color, blood type, or susceptibility to certain diseases. These characteristics are inherited from parents and can vary among individuals.
Is color of flowers an example of continuous variation?
no, as a flower is either for example blue or white, and cannot be something in between, thus its discontinuous variation.
What are the different kinds of variation?
Continuous Variation and Discontinuous Variation.
Is the variation in weight in human populations an example of discrete or continuous variation?
It is an example of continuous variations.
Is rose flower colour continuous or discontinuous variation?
The color of rose flowers exhibits discontinuous variation. This means that rose colors, such as red, yellow, pink, and white, fall into distinct categories rather than existing on a continuous spectrum. The variation is primarily determined by genetic factors, leading to specific color phenotypes rather than a gradual blend of colors.
Why Several genes control human eye color. Because of this eye color shows a continuous variation from very dark brown to green to blue. What is this an example of?
Eye color is not an example of polygenetic traits. Skin color is. Eye color is rather simple as far as genetics go (in humans). Brown (B) is dominate and blue (b) is recessive. A person with blue eyes has to have to have both genes for the color blue (bb). A person with brown eye color can has both genes for brown (BB) or one for brown and one for blue (Bb). The blue is not expressed in this case with Bb. Some people have hazel eyes but this is a variation of the blue color.
