A and B are codominant over O in the ABO blood system. Another common way to...
A and B are codominant over O in the ABO blood system. Another common way to type blood is with the Rh factor, in which Rh positive is dominant over Rh negative. A toddler has B positive blood. The mother has A negative blood. Potential father #1 has O positive blood. Potential father #2 has B negative blood. Potential father #3 has AB positive blood. Who is the child's father and why?
Homework Answers
The child's father is #3, who has AB positive blood.
The child's father can have either B positive or AB positive blood group. As the child's blood group is B positive, the father has to be AB/B positive. Only then the child can have B positive, because the mother has A negative blood group.
Add Answer to:
A and B are codominant over O in the ABO blood system. Another
common way to...
There are three main alleles in the ABO blood group system - IA, IB, and i....
There are three main alleles in the ABO blood group system -
IA, IB, and i. We've talked about the ABO
system in class, you can find a brief explanation below and
here.
The I gene encodes for a glycosyltransferase
that modifies at the H antigen.
The glycosyltransferase encoded by IA adds an 'A'
sugar group to antigen H, the glycosyltransferase encoded by
IB adds a 'B' sugar group and i encodes an inactive
glycosyltransferase that leaves the H antigen...
This problem refers to the MN and ABO loci mentioned in class. It also refers to...
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele is dominant to the Rh- allele at this locus. Select all couples who could be the parents of a child with phenotype MN, O+ based on the phenotypes at these three loci. If none of these couples could be the parents of this child, select "None of...
genetics question: This problem refers to the MN and ABO loci mentioned in class. It also...
genetics question:
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele is dominant to the Rh- allele at this locus. Select all couples who could be the parents of a child with phenotype M, A- based on the phenotypes at these three loci. If none of these couples could be the parents of this child, select...
A woman has type A blood that is Rh-negative. Her father, however, had type B blood...
A woman has type A blood that is Rh-negative. Her father, however, had type B blood that was Rh-positive. She marries a man who is AB positive, but his mother was Rh-negative. I know that the allele for Rh positive blood is dominant (R) over the allele for Rh-negative blood (r). But I am having trouble with a 4x4 Punnett square which I am sure would be essential to solving this! I appreciate any help you could give! 1. What...
a.) ABO blood types are determined by a single gene with 3 alleles. Alleles A (IA)...
a.) ABO blood types are determined by a single gene with 3 alleles. Alleles A (IA) and B (IB) are co-dominant to allele O (i). Cecilia, a woman with blood type A whose father and mother both had blood types AB, marries a man named Joseph. Joseph has blood type B. Joseph’s mother had blood type O. What is Cecilia’s genotype with respect to blood type? b.) ABO blood types are determined by a single gene with 3 alleles. Alleles...
The ABO blood groups.There are three main alleles in the ABO blood group system -...
The ABO blood groups.There are three main alleles in the ABO blood group system -
IA, IB, and i. We've talked about the ABO
system in class, you can find a brief explanation below and
here.The I gene encodes for a glycosyltransferase
that modifies at the H antigen.The glycosyltransferase encoded by IA adds an 'A'
sugar group to antigen H, the glycosyltransferase encoded by
IB adds a 'B' sugar group and i encodes an inactive
glycosyltransferase that leaves the H...
ABO Blood Type allele frequencies: [I^O] = 0.7 , [I^A] = 0.2 , [I^B] = 0.1...
ABO Blood Type allele frequencies: [I^O] = 0.7 , [I^A] = 0.2 , [I^B] = 0.1 For the Rh factor frequencies: [Rh+] = 0.8 , [Rh-] = 0.2 1. In this population what is the frequency of the type "O", Rh positive individuals? 2. The rarest type of blood is type AB Rh negative. How many of these are expected in 1000 individuals? 3. In this population what will be the frequency go type "A", Rh negative individuals? 4. Assume...
5) Type A and Type B blood are codominant to each other. They are both dominant...
5) Type A and Type B blood are codominant to each other. They are both dominant over Type O blood. The genotype of the mother is I^i and the genotype of the father is 141B. Complete the Punnett Square: List the Genotypes of the offspring: List the Phenotypes of the offspring with percentages:
8 A case of disputed paternity involves a woman, her children (1, 2 and 3), and...
8 A case of disputed paternity involves a woman, her children (1, 2 and 3), and two men Y and Z). The analysis is limited to the ABO and Rh blood group systems. Using the space below, and assuming that only YorZ could be the biological father, assign each child to his/her possible father. You can use either Punnett squares for each trait, or the process of Mother Possible Fathers Children Possible father for each child elimination. There may be...
A mother has blood type AB and a father has blood type O and they have...
A mother has blood type AB and a father has blood type O and they have a child together. A. What is the probability that their child will have O blood type like the father? B. If blood is needed to be given to the mother and AB blood type is not available, what other blood type(s) can the mother receive (not considering Rh factor)? Explain your answer. C. Explain why a person with AO genotype has the same phenotype...
There are three main alleles in the ABO blood group system -
IA, IB, and i. We've talked about the ABO
system in class, you can find a brief explanation below and
here.
The I gene encodes for a glycosyltransferase
that modifies at the H antigen.
The glycosyltransferase encoded by IA adds an 'A'
sugar group to antigen H, the glycosyltransferase encoded by
IB adds a 'B' sugar group and i encodes an inactive
glycosyltransferase that leaves the H antigen...
genetics question:
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele is dominant to the Rh- allele at this locus. Select all couples who could be the parents of a child with phenotype M, A- based on the phenotypes at these three loci. If none of these couples could be the parents of this child, select...
The ABO blood groups.There are three main alleles in the ABO blood group system -
IA, IB, and i. We've talked about the ABO
system in class, you can find a brief explanation below and
here.The I gene encodes for a glycosyltransferase
that modifies at the H antigen.The glycosyltransferase encoded by IA adds an 'A'
sugar group to antigen H, the glycosyltransferase encoded by
IB adds a 'B' sugar group and i encodes an inactive
glycosyltransferase that leaves the H...
5) Type A and Type B blood are codominant to each other. They are both dominant over Type O blood. The genotype of the mother is I^i and the genotype of the father is 141B. Complete the Punnett Square: List the Genotypes of the offspring: List the Phenotypes of the offspring with percentages:
8 A case of disputed paternity involves a woman, her children (1, 2 and 3), and two men Y and Z). The analysis is limited to the ABO and Rh blood group systems. Using the space below, and assuming that only YorZ could be the biological father, assign each child to his/her possible father. You can use either Punnett squares for each trait, or the process of Mother Possible Fathers Children Possible father for each child elimination. There may be...
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