How Do polygenic traits affect selective breeding?

1. What are the effects of polygenic traits?
2. What are 3 examples of polygenic traits?
3. What are polygenic traits explain with an example?
4. What causes polygenic traits?
5. Are polygenic traits affected by environment?
6. How are traits affected by the environment?
7. How do polygenic traits affect the expression of an organism's phenotype?
8. How are polygenic traits different from traits that only require 2 genes?
9. What factors influence your traits?
10. Do all genes that contribute to a polygenic trait do so to the same degree?
11. How are polygenic inheritance and multiple Allelism different explain with the help of an example each?
12. How can polygenic inheritance affect genetic diversity in a population?
13. How does the environment affect the inheritance of traits?
14. What would it mean if a trait develops from both genetic and environmental effects?
15. Which trait shows a polygenic method of inheritance?

What are the effects of polygenic traits?

Effect of Environment on Polygenic Inheritance

Polygenes are highly influenced by environmental factors. Basically, the genotype of an individual sets the range of the quantitative trait while the phenotype of the trait is eventually an outcome of the environmental factors.

What are 3 examples of polygenic traits?

In humans, height, skin color, hair color, and eye color are examples of polygenic traits.

What are polygenic traits explain with an example?

Polygenic traits are traits that are controlled by multiple genes instead of just one. The genes that control them may be located near each other or even on separate chromosomes. ... Some examples of polygenic traits are height, skin color, eye color, and hair color.

What causes polygenic traits?

Another exception to Mendel's rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in the trait.

Are polygenic traits affected by environment?

A polygenic trait is one whose phenotype is influenced by more than one gene. Traits that display a continuous distribution, such as height or skin color, are polygenic. ... Many polygenic traits are also influenced by the environment and are called multifactorial.

How are traits affected by the environment?

Explanation: Environmental factors influence traits in plants and animals. These traits include things like weight, height, size, and color. If a child does not get proper nutrition, their height may be stunted as an adult.

How do polygenic traits affect the expression of an organism's phenotype?

Instead, polygenic traits exhibit incomplete dominance so the phenotype displayed in offspring is a mixture of the phenotypes displayed in the parents. Each of the genes that contributes to a polygenic trait, has an equal influence and each of the alleles has an additive effect on the phenotype outcome.

How are polygenic traits different from traits that only require 2 genes?

8) How are polygenic traits different from traits that only require 2 genes? The polygenic traits have a wide variation in each trait. ... The children can have more tall genes than either parent. The environment also plays a role in the expression of traits.

What factors influence your traits?

Most traits are shaped both by a person's genes and by environmental factors. Environmental factors include everything outside of DNA that affects your traits. They are very broad and can influence you in many ways, either alone or in combination with genes.

Do all genes that contribute to a polygenic trait do so to the same degree?

A polygenic multifactorial condition reflects additive contributions of several genes. Each gene confers a degree of susceptibility, but the input of these genes is not necessarily equal. While a rare allele may exert a large influence, several common alleles may each contribute only slightly to a trait.

How are polygenic inheritance and multiple Allelism different explain with the help of an example each?

Polygenic inheritance: It is the inheritance of a characteristic that is controlled by more than one gene. Polygenic inheritance can produce unexpected phenotypes. ... Multiple allelism: In this more than one alleles governs the same character and phenotype.

How can polygenic inheritance affect genetic diversity in a population?

Human features like height, eye color, and hair color come in lots of slightly different forms because they are controlled by many genes, each of which contributes some amount to the overall phenotype.

How does the environment affect the inheritance of traits?

Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

What would it mean if a trait develops from both genetic and environmental effects?

Phenotype is the observable physical or biochemical characteristics of an individual organism, determined by both genetic make-up and environmental influences, for example, height, weight and skin colour.

Which trait shows a polygenic method of inheritance?

Like eye color, skin color is an example of polygenic inheritance. This trait is determined by at least three genes and other genes are also thought to influence skin color. Skin color is determined by the amount of the dark color pigment melanin in the skin.