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)
- Part C: The pedigree table below shows the blood types of three generations of family members. Notice that some of the blood type phenotypes have been given to you. 1. Give the probable genotype of all other family members. 3 4 A AB 6. A AB B. B.arrow_forwardSuppose a woman has four sons, and two are colorblind but have normal blood clotting and two have hemophilia but normal color vision. What is the probable genotype of the woman? b. Suppose this woman (later on) had a son with normal vision and normal blood clotting. How can this be explained?arrow_forwardA wealthy, elderly couple dies together in an accident. Soon after a man shows up to claim their fortune, claiming that he is really their only son who ran away from home when a boy. Hospital records show that the deceased couple were blood types AB and O. The claimant to the fortune was type O. Was he an imposter? Explain. 6.arrow_forward
- A man with type B blood marries a woman with type A blood. They have the first child with blood type O. a. What are the genotypes of the father and the mother? b. What is the genotype and phenotype of the baby?arrow_forwardIn Figure 3-9,a. identify the diploid nuclei.b. identify which part of the figure illustrates Mendel’sfirst law.arrow_forwardóa. In a pedigree, a square represents a male. If it is darkened he has hemophilia; if clear, he had normal blood clotting. (2)a. How many males are there? b. How many males have hemophilia? II III IVarrow_forward
- A lawyer sets out to prove that a child with type A blood is the son of a man wi type B blood and a with type AB blood. Determine if it is possible for the man to be the father is he definitely the father?arrow_forwardTwo people, both with AB blood have four children. What blood types should the children be?arrow_forwardExplain how mitochondria and chloroplasts violate Mendel's laws. (in 5 sentences)arrow_forward
- A mother wants to see her baby. But the three babies in the nursery lost their ID bracelets, using a blood test, the mother is homozygous type A and the father is type O. The babies have blood types AB, A, and O. Which is the baby of this couple? Explain your answer.arrow_forwardExplain why it was essential that Mendel perform his crosses using a large sample size?arrow_forwardWhich blood allele is recessive? A B AB Oarrow_forward
- Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage LearningHuman Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning