Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Textbook Question
Chapter 20, Problem 33P
Evaluate the following pedigree, and answer the questions below for individual
a. Is
b. What is F for this individual?
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Students have asked these similar questions
Analyze the graphical model below and answer the questions that follow:
I-1
I-1I
II
П-1
II-2
II-3
II-4
II
Ш-1
III-2
III-3
a) In humans, brown eyes are dominant and blue eyes are recessive. Determine
which individuals in the pedigree above would have blue eyes. Justify your
decision.
b) Predict the phenotype of the possible offspring between III-1 and someone
who has blue eyes.
Answer the following with a short solution if needed:
a. The gametes of a worm's genotype SsYy should produce what genotypes?
b. A genetic cross between two F1-hybrid rose plants having yellow petals will yield what percent green-petal plants in the F2 generation? Yellow petals are dominant to green.
c. Brown fur is dominant over light-colored fur. What is the phenotype of the resulting offspring if you cross a heterozygous brown fur and a light-colored fur?
Please consider the pedigree below. There are no cases of false paternity.
AB
2
I
II
2
3
A
(AB
A)B
1
III
2
3
4
IV
B
1 2
a. Which individual/s definitely has/have Bombay phenotype in this extended family?
b. What are the genotypes of individuals II-2 and II-3 at the ABO and H loci?
Chapter 20 Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. 20 - 20.1 Compare and contrast the terms in each of the...Ch. 20 - In a population, what is the consequence of...Ch. 20 - 20.3 Identify and describe the evolutionary forces...Ch. 20 - Describe how natural selection can produce...Ch. 20 - Thinking creatively about evolutionary mechanisms,...Ch. 20 - 20.6 Genetic drift, an evolutionary process...Ch. 20 - Over the course of many generations in a small...Ch. 20 - Catastrophic events such as loss of habitat,...Ch. 20 - 20.9 George Udny Yule was wrong in suggesting that...Ch. 20 - 20.10 The ability to taste the bitter compound...
Ch. 20 - Figure 20.6 illustrates the effect of an ethanol ...Ch. 20 - 20.12 Biologists have proposed that the use of...Ch. 20 - 20.13 Two populations of deer, one of them large...Ch. 20 - 20.14 Directional selection presents an apparent...Ch. 20 - 20.15 What is inbreeding depression? Why is...Ch. 20 - 20.16 Certain animal species, such as the...Ch. 20 - Genetic Analysis 20.1 predicts the number of...Ch. 20 - 20.18 In a population of rabbits, and . The...Ch. 20 - Sickle cell disease (SCD) is found in numerous...Ch. 20 - 20.20 Epidemiologic data on the population in the...Ch. 20 - The frequency of tasters and nontasters of PTC...Ch. 20 - Tay-Sachs disease is an autosomal recessive...Ch. 20 - 20.23 Cystic fibrosis (CF) is the most common...Ch. 20 - 20.24 In the mouse, Mus musculus, survival in...Ch. 20 - 20.25 In a population of flowers growing in a...Ch. 20 - Assume that the flower population described in the...Ch. 20 - 20.27 ABO blood type is examined in a Taiwanese...Ch. 20 - 20.28 A total ofmembers of a Central American...Ch. 20 - 20.29 A sample offield mice contains individuals...Ch. 20 - Prob. 30PCh. 20 - Albinism, an autosomal recessive trait...Ch. 20 - 20.32 The frequency of an autosomal recessive...Ch. 20 - 20.33 Evaluate the following pedigree, and answer...Ch. 20 - Evaluate the following pedigree, and answer the...Ch. 20 - The following is a partial pedigree of the British...Ch. 20 - Draw a separate hypothetical pedigree identifying...Ch. 20 - Prob. 37PCh. 20 - 20.38 Achromatopsia is a rare autosomal recessive...Ch. 20 - 20.39 New allopolyploid plant species can arise by...
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- Construct a pedigree of the families in 6) and (C). Assume that one of the normal children in (b) and one of the albino children in (c) become the parents of eight children. Add these children into the pedigree, predicting their phenotypes (normal or albino).arrow_forwardConsider the cross RrmmTT x RRMmTt. Assume the three gene pairs are independently segregating. a. Derive the gametic ratio of the second parent using the branching method.b. Derive the genotypic ratio for the offspring from each cross using the branching method. Showcomplete solutions.c. What is the probability that an offspring from this cross will be heterozygous for all gene pairs?arrow_forwardUse the pedigree below to answer the following questions about dimples. The dimple gene controls whether a person has dimples or doesn't have dimples. No dimples is dominant to dimples. 3 Dimples gene (D) No dimples is dominant to dimples 10 11 12 13 14 1. How many family members have dimples? 2. What is the genotype of individuals I-3 and I-4? (3) hsband, (4) , (9) 3. Can either individual II-8 orII-9 be homozygous? (8) : Explain the family relationship between III-12 and I-2.arrow_forward
- Use the above pedigree of a recessive disorder, determining to the closest degree possible, and please answer the following questions IN ORDER: 1. What is the genotype of the Parent generation, individual 1? What is their gender? Do they have the disorder? 2. What is the genotype of the F1 generation, individual 5? What is their gender? Do they have the disorder? 3. What is the genotype of the F1 generation, individual 6? What is their gender? Do they have the disorder? 4. What is the genotype of the F2 generation, individual 2? What is their gender? Do they have the disorder? 5. What is the genotype of the F2 generation, individual 3? What is their gender? Do they have the disorder?arrow_forwardIn the accompanying pedigree, the vertical lines stand for protan color blindness, and the horizontal lines stand for deutan color blindness. These are separate conditions causing different misperceptions of colors; each is determined by a separate gene.a. Does the pedigree show any evidence that the genes are linked? b. If there is linkage, does the pedigree show any evidence of crossing over? Explain your answers to parts a and b with the aid of the diagram. c. Can you calculate a value for the recombination between these genes? Is this recombination by independent assortment or by crossing over?(picture added)arrow_forwardGiven the pedigree below, answer the questions that follow: (see attached image) a. Give probable mode of inheritance. Justify b. Genotypes Generation Individual Genotype I 1 2 II 1 2 3 4 5 6 7 III 1 2 3 4 5 6 7 C. If the proband (III-2) marries a carrier woman, what is the probability that they will have an affected son?affected daughter?arrow_forward
- The following pedigree shows the inheritance of deafmutism.a. Provide an explanation for the inheritance of thisrare condition in the two families in generations I andII, showing the genotypes of as many persons aspossible; use symbols of your own choosing.b. Provide an explanation for the production of onlynormal persons in generation III, making sure that yourexplanation is compatible with the answer to part aarrow_forwardYou are studying a gene that controls ossicone (horn) length in giraffes. The wild type long-ossicone allele (L) is dominant to the mutant short-ossicone (I) allele. However the L allele is only 60% penetrant. You cross a long-horn heterozygous giraffe to a short- horn giraffe. What phenotypic progeny classes do you expect and at what frequencies?arrow_forwardAssume that there is complete interference in the Lf-W region. The cross between the triple heterozygote (Lf J W/ lf j w) and a triple homozygous recessive produced 350 progenies. Give the frequency of each specific progeny type:a. with crossover in the Lf-J and J-W regionsb. with crossover in the Lf-J regionc. with crossover in the J-W regiond. without crossover in the Lf-W regionarrow_forward
- 1:1 1:2 II:1 I1:2 I1:3 I1:4 I1:5 I1:6 III:1 III:2 IlII:3 Ill:4 III:5 III:6arrow_forwardThe pedigree below shows the inheritance of the rare blistering disease (epidermolysis) in dogs. Affected individuals are indicated in black, and those not showing symptoms (phenotypically normal) of the disease in white. The pedigree below represents an autosomal recessive disease. What characteristic(s) of the pedigree supports this statement? Number the generations and individuals in this pedigree. Write the genotypes and their genotype probabilities for all the individuals in the pedigree. Use E/eas the allele symbols.arrow_forwardConsider the pedigree below for a recessive autosomal trait caused by allele t. The dominant wild-type allele is represented by T. What is the genotype of individual 4 in generation II?arrow_forward
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