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What is the blood type in humans controlled by?
Blood types are controlled by multiple alleles.
Why are there more genotypes and phenotypes for blood types?
There are more genotypes and phenotypes for blood types due to the presence of multiple alleles and the codominance of certain alleles in the ABO blood group system. The ABO blood types are determined by three alleles: A, B, and O. The combinations of these alleles lead to four main phenotypes (A, B, AB, and O), while the presence of the Rh factor (positive or negative) further increases the variety of possible blood types. This genetic diversity arises from evolutionary processes and the inheritance patterns of multiple alleles.
The ABO blood types are controlled by?
The ABO blood types are controlled by specific alleles of the ABO gene. These alleles determine the presence or absence of antigens on the surface of red blood cells, which in turn determines an individual's blood type (A, B, AB, or O).
What are blood types of humans examples of?
Blood type in humans is an example of multiple alleles.
The blood type trait which is controlled by more than two alleles for a given gene and therefore is called?
The blood type trait that is controlled by more than two alleles for a given gene is known as the ABO blood group system. It involves three alleles: A, B, and O, which determine blood types A, B, AB, and O. This system results in four possible blood types due to the combination of these multiple alleles.
How can one create a Punnett square to determine the possible blood types of offspring based on the parents' blood types?
To create a Punnett square for determining the possible blood types of offspring based on the parents' blood types, you would first identify the blood type alleles of each parent (A, B, or O). Then, you would create a 4-square grid with the alleles of each parent on the top and side of the grid. By combining the alleles in each square, you can determine the possible blood types of the offspring.
What are the 3 alleles for blood types?
The three alleles for blood types are A, B, and O. These alleles determine the presence of specific antigens on the surface of red blood cells. The A and B alleles are co-dominant, meaning that if both are present, both antigens will be expressed, resulting in blood type AB. The O allele is recessive, so it will not produce any antigens if paired with either A or B.
The blood types A B AB and O are the result of what inheritance multiple allelic polygenic or simple dominant?
The blood types A, B, AB, and O are determined by multiple alleles. These alleles exist at the same gene locus on chromosome 9 and interact to create the different blood types. Each individual has two of these alleles, resulting in the ABO blood type system.
Can paternal twins have different blood types?
Yes, paternal twins can have different blood types. This occurs when the twins inherit different combinations of alleles from their parents, as blood type is determined by multiple alleles (A, B, AB, and O). Since each twin can receive different alleles from each parent, they may end up with distinct blood types despite being twins.
How do you describe how blood groups are examples of multiple alleles and codominance?
Because both factors are present; when we talk about blood types, we have 2 individuals with 2 different blood types and they become codominant within the reproduction; meaning, there is a set of alleles and both of them show in the phenotype.
What type of alleles are there?
Some types of alleles are: blood type, hair color, hair type, eye color, etc.
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.
