Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Chapter 3, Problem 28P
Secretors (genotypes SS and Ss) secrete their A and B blood group antigens into their saliva and other body fluids, while nonsecretors (ss) do not. What would be the apparent
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Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?
Codominance
ABO blood typing is an example of codominance, where A and B are both dominant to O.
A woman who is AB type has a child with a man who is O type.
Use I allele formatting to designate each genotypes: IA IA, IA i, IB IB, IB i, IA IB, ii
A) List the genotype of each parent.
B) Complete a Punnett square. List all the genotypes for the predicted offspring of this mating (using the format of genotypes listed above)
C) What is the probability that any of their offspring will be O type?
D) What is the probability that any of their offspring will be AB type?
The identity of Kim's biological father is unknown, but it is thought to be either Kevin or Thomas. To determine which of the two men it is, blood typing of all the persons involved was performed.
Here are the results of the blood tests, including the phenotypes and possible genotypes of each person:
Rachel (mother) Type AB; genotype IA, IB
Kim (child) Type A; genotype is either IA, IA (if homozygous) or IA, i (if heterozygous)
Kevin (alleged father #1) Type A; genotype is either IA,IA if homozygous or IA, i if heterozygous
Thomas (alleged father #2) Type O; genotype is ii
There are 2 DNA bands in the "fingerprint" of each person tested: mother, child, alleged father 1, and alleged father 2. Why are there two bands for each person and not three?
Chapter 3 Solutions
Genetics: From Genes to Genomes
Ch. 3 - For each of the terms in the left column, choose...Ch. 3 - In four-oclocks, the allele for red flowers is...Ch. 3 - The Aa heterozygous snapdragons in Fig. 3.3 are...Ch. 3 - Recall from Chapter 2 Fig. 2.20 that Mendels R...Ch. 3 - In the fruit fly Drosophila melanogaster, very...Ch. 3 - A cross between two plants that both have yellow...Ch. 3 - In radishes, color and shape are each controlled...Ch. 3 - A wild legume with white flowers and long pods is...Ch. 3 - Assuming no involvement of the Bombay phenotype in...Ch. 3 - Several genes in humans in addition to the ABO...
Ch. 3 - Alleles of the gene that determines seed coat...Ch. 3 - One of your fellow students tells you that there...Ch. 3 - In a population of rabbits, you find three...Ch. 3 - In clover plants, the pattern on the leaves is...Ch. 3 - Fruit flies with one allele for curly wings Cy and...Ch. 3 - In certain plant species such as tomatoes and...Ch. 3 - In a species of tropical fish, a colorful orange...Ch. 3 - People heterozygous for normal and nonfunctional...Ch. 3 - Using old Fugate family Bibles and the Perry...Ch. 3 - A rooster with a particular comb morphology called...Ch. 3 - A black mare was crossed to a chestnut stallion...Ch. 3 - Filled-in symbols in the pedigree that follows...Ch. 3 - You perform a cross between two true-breeding...Ch. 3 - a. How would you describe inheritance of flower...Ch. 3 - Suppose the intermediate called Colorless...Ch. 3 - Explain the difference between epistasis and...Ch. 3 - The dominant allele H reduces the number of body...Ch. 3 - Secretors genotypes SS and Ss secrete their A and...Ch. 3 - Normally, wild violets have yellow petals with...Ch. 3 - A woman who is blood type B has a child whose...Ch. 3 - The following table shows the responses of blood...Ch. 3 - Three different pure-breeding strains of corn that...Ch. 3 - In mice, the AY allele of the agouti gene is a...Ch. 3 - A student whose hobby was fishing pulled a very...Ch. 3 - Suppose that blue flower color in a plant species...Ch. 3 - This problem examines possible biochemical...Ch. 3 - Considering your answers to Problem 36, does the...Ch. 3 - You picked up two mice one female and one male...Ch. 3 - Figure 3.21 and Fig. 3.28b both show traits that...Ch. 3 - Three genes in fruit flies affect a particular...Ch. 3 - The garden flower Salpiglossis sinuata painted...Ch. 3 - In foxgloves, three different petal phenotypes...Ch. 3 - In a culture of fruit flies, matings between any...Ch. 3 - Prob. 44PCh. 3 - A couple wants to know the probability that their...Ch. 3 - This problem illustrates why classical geneticists...Ch. 3 - Prob. 47PCh. 3 - Familial hypercholesterolemia FH is an inherited...Ch. 3 - You have come into contact with two unrelated...Ch. 3 - Polycystic kidney disease is a dominant trait that...Ch. 3 - Identical monozygotic twins have similar, but not...Ch. 3 - Using each of the seven coat color genes discussed...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- what does a blood typing concept map look like with 10 words or phrases?arrow_forwardGiven the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?arrow_forwardThe S-s antigen system in humans is controlled by two codominant alleles S and s. In a group of 3146 individuals the following genotypic frequencies were found:188 SS, 717 Ss, and 2241 ss. The chi-square value of this test is?The degrees is freedom value is ?Using a significance level of 0.5 the chi-critical value is? from this chi- squar chi-square test is it significant or non significant is the nul hypothesis of HWE accepted or rejectedarrow_forward
- A couple consulted a genetic counselor and they found out the following: Basha: A blood type, blue eye color, normal skin condition, carrier of cystic fibrosis gene, and carrier of hemophilia gene Popoy: B blood type, has brown eye color, normal skin condition, carrier of cystic fibrosis gene and negative to hemophilia. Clues for the table: • Blood Type: The probability that they’ll have an offspring with blood type the same as Popoy is 25% only • Eye Color: The probability that they’ll have an offspring with brown eye color is 75%. • Skin condition: The probability that their offspring will be an albino is 25% What is the probability that the offspring will have/ be: A. a girl with all the same phenotype as her mother. B. 2 girls with neither the blood type of the parents. C. 2 boys with normal skin color and carrier of cystic fibrosis gene; 1 girl with normal skin color and negative to cystic fibrosis. D. 2 girls carrier of both cystic fibrosis gene and hemophilia, a boy † positive…arrow_forwardVanad Patel arrived unconscious by ambulance at the emergency room following a motorcycle accident. He had severe injuries including a compound fracture of his tibia and needed immediate surgery and a blood transfusion. Routine blood-group typing categorized him as O+ because his red blood cells showed no reaction with anti-A or anti-B antibodies. But cross-matching with the different bags of O blood in the blood bank showed cross-reactivity or incompatibility with them all. The blood-bank staff reported that the patient had a rare blood type called the Bombay blood group. His twin brother Nadeesh, who arrived at the emergency room within hours of the family being notified, donated the blood his brother needed. It was recommended that he and his brother wear medical alert bracelets in case they need emergency blood transfusions in a situation where thorough cross-matching is not possible. Which of the following is consistent with the Bombay phenotype? a. The Bombay phenotype results…arrow_forward4:33 4 Alger Edit Today 4:31 PM O LIVE Which of the following statements regarding Mendel's observations and Laws are still true and part of our knowledge of genetics today? (Check all that true.) M Two alleles segregate during meiosis, ending up in different gametes. Each pea plant has 2 alleles for every gene, but only contributes one in each gamete. The recombination of alleles in a zygote is completely random. The Law of Independeht Assortment was determined by following three traits in pea plants, TMendle was able to determine his Law of Segregation by following ane trait in pea plants. Every offspring inherits only 1 allele from each parent.arrow_forward
- Five human matings numbered 1–5 are shown in the following table. Included are both maternal and paternal phenotypes for ABO and MN blood-group antigen status. Each mating resulted in one of the five offspring shown to the right (a–e). Match each offspring with one correct set of parents, using each parental set only once. Is there more than one set of correct answers?arrow_forwardCodominance Complete the following cross which exhibits codominance in human blood types by giving the genotype and phenotype for the four offspring. Alleles PA antigen P= B antigen /= neither A nor B antigen Pi Blood Type AB Blood Type B pi la p 11 Blood Type O Blood Type A lb i Ja Genotype Phenotype Genotype Phenotype lai x lbi Genotype Phenotype Genotype Phenotypearrow_forwardWhat happens if a karyotype test is not normal?arrow_forward
- 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)?arrow_forwardIn 1967, a couple accused a hospital of switching their baby with another. DNA interpretation did not exist at this time so the hospital traced the blood types of the family in order to determine if a mistake was made. The mother had Type A blood, the father had Type AB blood, and the baby had Type O blood. Use the Punnett square to defend your answer to the following question: Did the hospital make a mistake and switch the baby? ____________arrow_forwardIn the 1950s, A young woman sued film star/director Charlie Chaplin for parental support for her illegitimate child. Charlie Chaplin‘s blood type was already on record as type AB. The mother of the child had type B and her son had type O blood. The judge ruled in favor of the mother in order Charlie Chaplin to pay child-support cost for the child. Briefly explain why the judge was not correct in his decision based on blood typing evidence? arrow_forward
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