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Why is there a wide range of phenotypes in polygenic inheritance?
"polygenic inheritance"- the inheritance of quantitative traits, traits which are influenced by multiple genes. Polygenic inheritance shows how multiple genes in combination with a person's environment can influence someone's phenotype, or physical appearance. A wide range is produced because the gene combinations are vast.
What is it called when three or more contrasting genes control a trait?
When three or more contrasting genes control a trait, it is called polygenic inheritance. This type of inheritance involves multiple genes interacting to influence a single trait, resulting in a continuous distribution of phenotypes in a population.
What is id polygenic inheritance?
Polygenic inheritance is when a trait is influenced by the combined effects of multiple genes, rather than being determined by a single gene. Each gene may have a small additive effect on the phenotype, resulting in a continuous range of phenotypic variations. This type of inheritance is often seen in traits like height, skin color, and intelligence.
What is the opposite of pleiotropy?
The opposite of pleiotropy is "monogenic" or "simple genetic inheritance," where a single gene controls only one specific trait or function in an organism. In contrast, pleiotropy refers to a situation where a single gene influences multiple, seemingly unrelated phenotypic traits.
When multiple genes determinethe phenotype of a trait What is this an example of?
When multiple genes determine the phenotype of a trait, this is an example of polygenic inheritance. In polygenic traits, the combined effects of several genes contribute to the expression of a phenotype, leading to continuous variation in characteristics, such as height or skin color. This contrasts with traits determined by a single gene, which typically exhibit discrete categories.
How is pleiotropy different from polygenic inheritance?
Pleiotropy occurs when a single gene influences multiple traits or characteristics, while polygenic inheritance involves the combined effect of multiple genes on a single trait or characteristic. Pleiotropy involves one gene affecting many aspects of an organism's phenotype, whereas polygenic inheritance involves many genes contributing to one aspect of an organism's phenotype.
Define and distinguish between pleiotropy and polygenic inheritance?
Pleiotropy occurs when a single gene influences multiple, seemingly unrelated traits or phenotypes. Polygenic inheritance, on the other hand, involves the combined effect of multiple genes on a single trait. In pleiotropy, one gene has multiple effects, whereas in polygenic inheritance, multiple genes each have a small additive effect on a trait.
What occurs when a group of gene pairs acts together to produce a single trait?
Polygenic Inheritance
What occurs when a group of gene pairs act together to produce a single trait?
Polygenic Inheritance
What is the difference between pleiotropy and polygenic inheritance?
Pleiotropy refers to a single gene influencing multiple phenotypic traits, while polygenic inheritance involves multiple genes contributing to a single trait. Pleiotropy can lead to diverse phenotypic effects, while polygenic traits are often influenced by the additive effects of multiple genes.
What is the difference between epistasis and polygenic inheritance in genetics?
Epistasis is when one gene affects the expression of another gene, while polygenic inheritance involves multiple genes contributing to a single trait. Epistasis involves the interaction between genes, while polygenic inheritance involves the cumulative effect of multiple genes on a trait.
Why is there a wide range of phenotypes in polygenic inheritance?
"polygenic inheritance"- the inheritance of quantitative traits, traits which are influenced by multiple genes. Polygenic inheritance shows how multiple genes in combination with a person's environment can influence someone's phenotype, or physical appearance. A wide range is produced because the gene combinations are vast.
How is inheritance be multiple alleles and poly genic inheritance similar?
Multiple alleles is when there are more than 2 alleles in a single trait. In blood type, instead of either one dominant and one recessive type alleles, there is one recessive allele (type O) but two dominant alleles(type A and B). Polygenic inheritance is when more than one gene controls a single trait, such as height in which three genes are responsible.
How inheritance by multiple alleles and polygenic inheritence are similar?
In both cases, traits are influenced by multiple genetic factors. Inheritance by multiple alleles involves the presence of more than two alleles for a particular gene, while polygenic inheritance involves the contribution of multiple genes to a single trait. Both types of inheritance result in continuous variation, with traits being influenced by the interaction of multiple genetic factors.
When a trait has more than two alleles how is the trait inherited?
When more than two alleles are involved in the inheritance of a trait, it is called polygenic inheritance. Many quantitative characters have polygenic inheritance. Inheritance of blood groups is an example of polygenic inheritance in human being.When more than two alleles are involved in the inheritance of a trait, it is called polygenic inheritance. Many quantitative characters have polygenic inheritance. Inheritance of blood groups is an example of polygenic inheritance in human being.
When a single trait is affected by more than one gene locus this called?
This is called polygenic inheritance. Multiple genes contribute to the expression of a single trait in polygenic inheritance, resulting in a continuum of phenotypic variation. Traits like height, skin color, and intelligence are influenced by multiple gene loci.
What is it called when three or more contrasting genes control a trait?
When three or more contrasting genes control a trait, it is called polygenic inheritance. This type of inheritance involves multiple genes interacting to influence a single trait, resulting in a continuous distribution of phenotypes in a population.
