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Which of the following are true. 1.single gene can control a single trait 2.single gene can influence multiple traits 3.single trait can be controlled by multiple genes?
All of them.
Can a single gene influence multiple traits?
YesYes. Those types of genes are called polygenic traits.
Much of what we know about single gene traits in humans is the result of studying?
Much of what we know about single gene traits in humans comes from studying pea plants.
What are non mendelian trait?
Traits that are controlled a multiple gene loci. Polygenic traits.
What is one difference between a single gene trait and a polygenic trait?
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.
Which of the following are true. 1.single gene can control a single trait 2.single gene can influence multiple traits 3.single trait can be controlled by multiple genes?
All of them.
Can a single gene influence multiple traits?
YesYes. Those types of genes are called polygenic traits.
What does pleiotropy mean?
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits (those you see). A series of defects that affect multiple systems but is caused by one defective gene.
What are Mendelian traits?
Traits that are controlled a multiple gene loci. Polygenic traits.
Can one gene influence traits?
Yes
What is the difference between single-gene traits and complex traits?
Single gene diseases only effect one typeof gene where im a complex genetic disease many genes are effected. An example of a single gene diseas is sickle cell anemia. Cancer would be an eexample of a complex gene disease.
Much of what we know about single gene traits in humans is the result of studying?
Much of what we know about single gene traits in humans comes from studying pea plants.
What is gene cloning?
The production of multiple copies of a single gene.
Is sickle cell anemia a single gene defect or multiple gene?
Sickle Cell Anaemia is a single gene defect (Hb gene).
What is the difference between alleles and multiple alleles?
Alleles refer to different versions of the same gene. So a single gene can have multiple alleles. For example in fruit flies there is a single gene that controls eye color, and the eye color of the fly depends on the alleles they have for that gene (since they have two copies of every gene, being diploid). A polygenic trait refers to any inheritable trait that is controlled by multiple genes, and each of these genes can have multiple alleles. For example, eye color in humans is a polygenic trait. There are at least three different genes, each with multiple alleles, that determine eye color in humans. Polygenic traits don't follow patterns of mendelian inheritance. So in summation the difference is multiple alleles refers to different versions of one gene and polygenic traits refers to a single trait which is controlled by multiple genes (each with multiple alleles) Yes, or: 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 multiple genes. This information came from my biology textbook, "Biology: Principles and Explorations" by Holt, Rinehart, and Winston.
What are non mendelian trait?
Traits that are controlled a multiple gene loci. Polygenic traits.
Blood types in humans are an example of traits controlled by?
Multiple alleles
