Answered: True or false: The four major blood…

True or false: The four major blood types in humans result from various combinations of the three different ABO alleles.

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter19: Introduction To Genetics

Section: Chapter Questions

Problem 6CT: The ABO blood system has been used to settle cases of disputed paternity. Suppose, as a geneticist,...

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Concept explainers

Genetic Variation

Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.

Quantitative Genetics

Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.

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True or false: The four major blood types in humans result from various combinations of the three different ABO alleles.

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dominant-therefore someone with AB genotype has AB phenotype. You can see both because they are codominant) i) What are the possible genotypes for someone with A blood type? ii) What about B blood type? iii) Let's assume that an person by the name of Dustin Beilber (this name sounds really familiar for some reason) is taken to trial in a paternity suit by a woman claiming that he is the father of her child. He claims he is not the father. At the trial, an expert witness reveals the blood types of all three: Dustin's blood type – B Mother's blood type – A Child's blood type – O Based on these data, is it possible that Dustin is the father of this child? (To put this in terms of the scientific method, you are trying to disprove the hypothesis that Dustin is the father). If you can't disprove this, it doesn't mean that he is the father, it simply means that you cannot reject the hypothesis). Explain your answer.
True or False. In humans, the ABO blood typing system is an example of control by multiple alleles
For practice, let's work with blood groups. Three alleles exist for human blood types. They were not numbered, but instead marked with the letters for A, B and O. The labeling convention is : IA, IB, and Ii. IA and IB are codominant alleles, whereas Ii is the recessive allele for type O. Humans are diploid; every individual carries only two alleles. For the following question list all 6 possible Blood group genotypes. The first has been done for you below:
The ABO blood system has been used to settle cases of disputed paternity. Suppose, as a geneticist, you must testify during a case in which the mother has type A blood, the child has type O blood, and the alleged father has type B blood. How would you respond to the following statements? a. Mans attorney: The mother has type A blood, so the childs type O blood must have come from the father. Because my client has type B blood, he could not be the father. b. Mothers attorney: Further tests prove this man is heterozygous, so he must be the father.
True or False: It can be considered that mutations are cause for both disease and evolutionary change in providing variations in alleles.
true or false: in humans, genes make up more than 50% of the genome.
The A and B antigens in humans may be found in water-soluble form in secretions,including saliva, of some individuals (Se/Se and Se/se) but not in others (se/se). The populationthus contains “secretors” and “nonsecretors.”(a) Determine the proportion of various phenotypes (blood type and ability to secrete) in matingsbetween individuals that are blood type AB and type O, both of whom are Se/se.(b) How will the results of such matings change if both parents are heterozygous for the genecontrolling the synthesis of the H substance (Hh)?
What are two possible explanations for why the same genotype (DNA) can result in different phenotypes (result)
Another blood disease, hemophilia, is caused by the failure of blood to clot. The genetic basis for the disease is due to one of two dysfunctional clotting factor genes, recessive alleles that lead to the disorders hemophilia A and hemophilia B. Due to the long history of arranged European royal marriages within a relatively small sample population, the prevalence of both hemophilia and G6PD-deficiency disorder are both high. In fact, in certain family lines sons, but not daughters, are nearly always either born with both G6PD-deficiency and hemophilia A-disease or are born completely healthy. In other family lines sons, but not daughters, are born about a quarter of the time with both G6PD-deficiency and hemophilia B. (G = G6PD gene, A = Hemophilia A, and B = Hemophilia B, X = X chromosome, Y = Y chromosome) Which of the following arrangement of loci on chromosomes best explains these observations? A B C D or E
Suggest a reason why a typical punnett square prediction for a heterozygous cross might be accurate in this case.
Please help me, this is from practice, double check your answers, previous tutors got it wrong
Gamete Production: in the following examples please list the possible gametes produced 1) In humans, sickle cell anemia is a disease caused by a mutation of a single gene that codes for an important protein. The allele for the normal protein is dominant (S) to the one that causes sickle cell anemia. a. What gametes would be produced by an individual who suffers from sickle cell anemia produce? b. What gamester would be produce by an individual that is a carrier of the sickle cell trait?