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How many alleles are there for blood type-?
There are three alleles for blood type: IA=Blood type A IB=Blood type B i=Blood type O The alleles for blood type A and B are codominant so when someone contains the IA and IB alleles, their blood type is AB.
Is ABO blood group determined by multiple alleles?
Yes, the ABO blood group system is determined by multiple alleles. There are three main alleles involved in the ABO blood group system: A, B, and O. These alleles determine the presence or absence of specific antigens on red blood cells, which results in the different blood types (A, B, AB, or O).
What is a gene that has 3 or more alleles for a single trait?
An example of a gene with three or more alleles for a single trait is the ABO blood group gene. This gene has three main alleles - A, B, and O - which determine blood type. The different combinations of these alleles result in the various blood types (A, B, AB, and O) observed in humans.
What are 3 blood alleles?
Three common blood alleles are A, B, and O. A person's blood type is determined by the combination of these alleles. People with type A blood have A alleles, people with type B have B alleles, people with type AB have both A and B alleles, and people with type O have neither A nor B alleles.
When more than two different alleles control a trait?
This phenomenon is known as multiple allelism, where there are more than two different variations of a gene (alleles) that can affect a single trait. In this case, individuals can inherit one of several possible alleles for the trait. Examples include the ABO blood group system in humans, where there are three alleles (IA, IB, i) that determine a person's blood type.
Why does the baby have only two alleles if the inheritance of blood type is controlled by three alleles?
Blood type inheritance is determined by three alleles (A, B, O), but an individual inherits only two alleles, one from each parent. This means a baby can have only two alleles for blood type, such as AO or BO, even though three alleles exist in the population.
An example of multiple allelism in humans is?
Blood type is an example of multiple alleles in humans, with three possible alleles (A, B, and O) that determine blood type. Each person inherits two alleles, resulting in different blood type combinations such as AA, AO, BB, BO, AB, and OO.
How a gene with multiple alleles can produce more than three phenotypes use blood as an example?
A gene with multiple alleles can produce more than three phenotypes because each allele can result in a different blood type. In the ABO blood group system, there are three alleles (IA, IB, i) that determine the presence of antigens on red blood cells, leading to four possible blood types (A, B, AB, O). The combination and expression of these alleles determine the individual's blood type phenotype.
Is the three alleles of the single gene that controls blood type is said to be what alleles?
The three alleles of the single gene that controls blood type are typically referred to as A, B, and O. The A and B alleles are co-dominant to each other, while the O allele is recessive to both A and B.
What is an example of multiple alleles?
An example of multiple alleles is the ABO blood system in humans, where the gene for blood type has three alleles: A, B, and O. Each person inherits two of these alleles, resulting in four possible blood types: A, B, AB, and O.
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 multi alleles?
A multi-allele trait is one that is governed by more than two alleles. One example is the human ABO blood group. There are three alleles, A, B, and O. A person can, however, only inherit two of the three alleles.
