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What are traits inherited by multiple alleles?
Traits inherited by multiple alleles are those that are controlled by three or more different forms of a gene (alleles) at a single locus. Examples include human blood type, where the ABO gene has three common alleles (IA, IB, and i), and coat color in rabbits, which is determined by four alleles of the C gene (C, cch, ch, and c).
When two alleles in a pair are different?
When the alleles are different the organism is heterozygous for that trait. Another way of putting it is to say the genotype is heterozygous for that trait. The dominant allele will be seen in the phenotype ie what is displayed.Most traits are governed by more than one pair of alleles.
Sex-linked traits are caused by alleles on the?
Sex-linked traits are caused by alleles on the sex chromosomes, particularly the X chromosome in humans. These traits are often more commonly expressed in one sex over the other due to differences in sex chromosome inheritance.
What are some human traits that are caused by multiple alleles?
Eye color, blood type, and skin color are human traits that are influenced by multiple alleles. In each case, there are more than two possible alleles that can determine the trait outcome in an individual.
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.
How are alleles represented in genetics and how do they contribute to the inheritance of traits?
Alleles are different forms of a gene that can be inherited from each parent. They contribute to the inheritance of traits by determining the specific characteristics an individual will have. Each trait is controlled by one or more alleles, with dominant alleles typically masking the effects of recessive alleles. The combination of alleles inherited from both parents determines an individual's genotype and ultimately their phenotype, or observable traits.
How are multiple alleles different from polygenic traits?
Multiple alleles are genes that have more than two alleles. An example of this would be blood types, with ABO as three separate alleles.Polygenic traits are traits whose phenotype rely on alleles from different genes. An example of this would be hair type, which relies on genes from different parts of chromosomes.The main difference is that multiple alleles are genes with 3 or more alleles; polygenic traits do not necessarily have more alleles, but they rely on on multiple genes.
Two ways multiple alleles and polygenic traits differ?
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.
Polygenic traits are controlled by no more than three alleles?
No, they are controlled by only two or more traits
What is the 4 exceptions to Mendel's principles?
The blood type in humans
In ------ these are more than two alleles possible for a trait?
In multiple-allele inheritance, there are more than two alleles possible for a trait. This means that instead of just two versions of a gene (alleles), there can be multiple variations that influence the trait in different ways. Examples of traits with multiple alleles include blood type in humans and coat color in rabbits.
What are traits inherited by multiple alleles?
Traits inherited by multiple alleles are those that are controlled by three or more different forms of a gene (alleles) at a single locus. Examples include human blood type, where the ABO gene has three common alleles (IA, IB, and i), and coat color in rabbits, which is determined by four alleles of the C gene (C, cch, ch, and c).
What is the condition whereby a trait is determined by three or more alleles called?
The condition whereby a trait is determined by three or more alleles is called multiple allelism. Multiple alleles refer to the presence of more than two alleles of a gene within a population. This can result in various combinations of traits and phenotypes.
Sex-linked traits are caused by alleles on the?
Sex-linked traits are caused by alleles on the sex chromosomes, particularly the X chromosome in humans. These traits are often more commonly expressed in one sex over the other due to differences in sex chromosome inheritance.
When two alleles in a pair are different?
When the alleles are different the organism is heterozygous for that trait. Another way of putting it is to say the genotype is heterozygous for that trait. The dominant allele will be seen in the phenotype ie what is displayed.Most traits are governed by more than one pair of alleles.
What are some human traits that are caused by multiple alleles?
Eye color, blood type, and skin color are human traits that are influenced by multiple alleles. In each case, there are more than two possible alleles that can determine the trait outcome in an individual.
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.
