Concept explainers
a.
To determine: The possible genotypes of the individuals with blood group A.
Introduction: The human blood group is an example of codominance where the alleles for the two antigens A and B are equally dominant. This means that when the two antigens A and B are present the blood group is AB while in the absence of both the antigens the blood group is O.
b.
To determine: The possible genotypes of the individual with blood group B.
Introduction: The human blood group is an example of codominance where the alleles for the two antigens A and B are equally dominant. This means that when the two antigens A and B are present the blood group is AB while in the absence of both the antigens the blood group is O.
c.
To determine: The possible genotypes of the individual with blood group O.
Introduction: The human blood group is an example of codominance where the alleles for the two antigens A and B are equally dominant. This means that when the two antigens A and B are present the blood group is AB while in the absence of both the antigens the blood group is O.
c.
To determine: The possible genotypes of the individual with blood group AB.
Introduction: The human blood group is an example of codominance where the alleles for the two antigens A and B are equally dominant. This means that when the two antigens A and B are present the blood group is AB while in the absence of both the antigens the blood group is O.
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Chapter 3 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
- Mendel called plants that received different alleles for a trait from each parent _________________. recessive heterozygous dominant homozygousarrow_forwardState Mendels law of independent assortment.arrow_forwardshow a cross between a woman with blood type o and a man who is heterozygous blood type b. Using mendels rules. What is the percent chance that the child has blood type o?arrow_forward
- Explain why Mendel's crosses of two traits resulted in a 9:3:3:1 ratio.arrow_forwardA) Determine the type of inheritance shown on this pedigree. Explain your answer. B) Based on your answer to A, what are the possible genotypes for the following individuals: I-1 II-4 III-9arrow_forwardBased on the pedigree, predict the probability that the individual marked by "?" will have the skin disorder. Please justify your prediction. Thank you!arrow_forward
- Suppose a woman was heterozygous forblood type A and her husband had bloodtype AB. With the aid of a Punnett square,explain what blood type(s) their childrencould possibly have.arrow_forwardGive typing answer with explanation and conclusion Human ABO blood type is controlled by the I locus and has three possible alleles. The alleles which code for type A blood (IA) and type B blood (IB) are codominant, while the allele for type O blood (i) is recessive. In a cross between a person with a genotype of IAi and a person with genotype IAIB, what is the probability of having three offspring with type A blood?arrow_forward_________________ is the idea that an offspring's traits would be a perfect mix between mother and father, a theory overturned by Gregor Mendel. blending trisomyarrow_forward
- Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage Learning