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.
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.
Polygenic inheritance is a trait where multiple genes are being used. ex. Height: your neither "short" or "tall" your somewhere in the middle. It's not like pea plants where you are either tall or short. You are a variety. When graphing polygenic inheritance, you will find that there is a bell curve because there are man heights in between tall and short.
Well, honey, if you see a trait that's controlled by multiple genes, each with small effects, then you might be dealing with polygenic inheritance. So, keep an eye out for characteristics like height or skin color that show a wide range of variation in a population. And remember, genetics can be a real mixed bag, just like my collection of ex-husbands.
Multiple alleles are "the existence of more than two alleles (versions of the gene) for a genetic traits. Polygenic traits are "[characteristics of organisms that are] influenced by several genes." So multiple alleles are more than two alleles for one trait, and polygenic traits are one trait that is influenced by mulitple genes. This information came from my biology textbook, "Biology: Principles and Explorations" by Holt, Rinehart, and Winston.
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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.
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