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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.
Why is eye color not a continuous variation?
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.
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.
What is an example of hereditary variation?
An example of hereditary variation is the difference in eye color among individuals within a family. This variation is influenced by genetic factors inherited from parents, where specific alleles determine traits like blue, brown, or green eyes. Such differences arise from the combination of genes passed down through generations, showcasing the diversity that can occur within a species.
Brown eyes blue eyes and green eyes are an example of?
These eye colors are phenotypic expression of genotypes for eye color.
Why are chimpanzees brown and black?
evolution. variation and natural selection. DNA!!!!
What are the different variation of the beagle?
Beagles can be brown, black ,tan, and white.
What is the definition of inherited variation?
variation in which you get some features from your mother and some from father that are different (from others; ex. your sister has brown hair and you have blond hair)
How does sexual reproduction affect a population's genetic variation?
It affects genetic variation, because the two parental organisms might have different alleles for each gene. For example, say a blonde eyed male and a brown eyed female reproduced, and the trait for brown eyes is dominant (Bb) and the blue eyes are recessive (bb). If they mated they would have the genotypes: Bb, and bb. Therefore, increasing variation
Is hair color a discrete or continuous variable?
Hair color is considered a discrete variable because it falls into distinct categories such as blonde, brown, black, red, etc. Each category is separate and distinct from the others, with no intermediate shades. In contrast, a continuous variable would have an infinite number of possible values within a range, which is not the case with hair color.
Is eye color a continuous variable?
If you mean can it pass form one random person to another then no, but through your family that's how you get eye coulor. But what i find cool is some colours overpower others. Example: blue overpowers green.
Did Chris Brown star in everybody hates Chris?
No, Chris Brown was not in Everybody Hates Chris. There are a number of spoof videos that parody Mr. Brown's troubles, some of them are called some variation of Everybody Hates Chris Brown.
