Concept explainers
a.
To determine: The genotypes of the parent when all their children have Rh+ blood group.
Introduction: There are two types of Rh blood groups: Rh+ (have Rh antigen) and Rh- (do not have Rh antigen). Rh factor is a point of concern when the mother has Rh- and fetus has Rh+ blood group. This condition can cause hemolytic disease of newborn baby (HDN).
b.
To determine: Whether the parents in the given case should be concerned about the risk of the occurrence of hemolytic disease to the newborn.
Introduction: There are two types of Rh blood groups: Rh+ (have Rh antigen) and Rh- (do not have Rh antigen). Rh factor is a point of concern when the mother has Rh- and fetus has Rh+ blood group. This condition can cause hemolytic disease of newborn baby (HDN).
Want to see the full answer?
Check out a sample textbook solutionChapter 17 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
- A phenotypically normal man, who has a hemophiliac brother, marries a normal woman, who is not a carrier. What is the probability that any of their children will be hemophiliac?arrow_forwardRh factors are proteins that were first discovered in the blood of Rhesus Monkeys, but humans have them too. If you are Rh positive, it means that there are Rh type proteins in your blood. If you are Rh negative, there are no Rh type proteins in your blood. Positive is dominant over negative, so heterozygous individuals are Rh positive. Problems can arise when an Rh negative mother has a child who is Rh positive. Which of the statements will answer the following questions: Why does the mother's body attack her own baby in this situation? Why does the situation get worse for the second pregnancy? a. The mother's body sees the foreign proteins produced by her baby as a threat. She builds up antibodies against them. b. Her immune system attacks the baby, often resulting in a miscarriage. Immune suppressing drugs can be given to the mom, but then she's more likely to get sick because her body's germ fighting ability is diminished. c. The baby is delivered before the situation gets too…arrow_forwardPlease use instructions from above Hemophilia is an x-linked disease of the blood. What is the probability of producing an unaffected son by a father who is unaffected and a mother who is a carrier of hemophilia?arrow_forward
- A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. If both children are of blood type M in addition to their ABO blood type, list all of the possible parental phenotypes for the ABO, MN and Rh traits.arrow_forwardGiven: Father - heterozygous for the H locus of the H antigen, heterozygous for the B locus of the ABO blood group system, heterozygous for the D locus of the Rh blood group system, and deuteranope Mother - heterozygous for the H locus of the H antigen, heterozygous for the A locus of the ABO blood group system, heterozygous for the D locus of the Rh blood group system, and carrier for the trait deuteranopia Task: Using the line fork method, determine the probabilities in ratio form of all possible phenotype combinations of the traits in the biological offspring of the couple. Include the solutionarrow_forwardBased on the genotypes presented here, what would be the phenotypic ratio of the F1 generation? A. 3 hemophilia: 1 non- hemophilia b. 4 hemophilia: 0 non- hemophilia c. 1 hemophilia: 3 non hemophilia d. 2 hemophilia: 2 non- hemophiliaarrow_forward
- A woman with type B blood has a child with type O blood. Whatare the possible genotypes and blood types of the father?arrow_forwardIn humans, hemophilia is a sex-linked condition and normal blood clotting (H) is dominant to the condition of hemophilia (h). A woman with hemophilia marries a normal man. The hat are the probabilities of them having children with hemophilia and their sexes?arrow_forwardCan two people with type A blood have a baby with type O blood? Explain your answer using a Punnett Square.arrow_forward
- For the follow sets of parents, give what blood types are POSSIBLE. Parent 1 B+ A- O+ A+ O- Parent 2 O-AB- AB+ B+ O-arrow_forwardHemophilia is an X-linked disease associated with the inability to produce specific proteins in the blood-clotting pathway. Shown above is a family pedigree tree in which family members afflicted with the disease are shown with filled-in squares (male) or circles (females). A couple is trying to determine the likelihood of passing on the disease to their future children (represented by the ? symbol above) because the hemophilia runs in the woman’s family 4.Assuming that the woman in the couple is a carrier, what is the probability that the couple’s first son will have hemophilia?arrow_forwardA woman with blood type B has a child with blood type O. Her husband, whose blood type is A is concerned that the child may not be his. Based on what you learned from the inheritance of the ABO blood group system, what conclusions would you make? (Assume that both parents and the child normally produce the H-substance). The husband should not be concerned because the A and B blood types from the parents cancel each other in the child to produce an O type. The husband is right to be concerned because neither of the parents have O type blood. The husband is right to be concerned because only the blood types A or B are possible in their child. The husband is right to be concerned because only the blood groups A, B, or AB should be possible in their offspring. The husband should not be concerned because he and his wife may each be carrying an O allele.arrow_forward
- Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage LearningHuman Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning