Genetic Analysis: An Integrated Approach (2nd Edition)
2nd Edition
ISBN: 9780321948908
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 2, Problem 31P
In a sample of
Are the numbers of boys to girls in these families consistent with the expected
Is the distribution of the numbers of boys and girls in the families consistent with the expectations of binomial probability? Support your answer.
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If the frequency of those exhibiting a monogenic autosomal recessive phenotype caused by only one known clinically relevant allele is 1/8500 in a given population, what is the frequency of the wild type allele? Please give your answer as a percentage to 3 decimal places, do not include the % symbol.
Please choose the correct answer. If narrow sense heritability is equal to 1, which of the following is most likely responsible for phenotypic variations?
a. additive variance
b. dominance variance
c. environmental variance
d. interactive variance
In your F2 light treatment vial, you observe the following data: 5 white-eyed males, 18 wild-type males, 7 white-eyed females, and 10 wild-type females. What is the white-eyed allele frequency in this generation? Leave your answer as a decimal.
Give the explanation also.
Chapter 2 Solutions
Genetic Analysis: An Integrated Approach (2nd Edition)
Ch. 2 -
1. Compare and contrast the following terms:
a....Ch. 2 - For the cross , what is the expected genotype...Ch. 2 - 37. Galactosemia is an autosomal recessive...Ch. 2 - In mice, black coat color is dominant to white...Ch. 2 - Two parents plan to have three children. What is...Ch. 2 - Consider the cross AaBbCCAABbCc. a. How many...Ch. 2 - If a chi-square test produces a chi-square value...Ch. 2 -
8. Determine whether the statements below are...Ch. 2 - In the datura plant, purple flower color is...Ch. 2 - 10. The dorsal pigment pattern of frogs can be...
Ch. 2 - 11. Black skin color is dominant to pink skin...Ch. 2 - A male mouse with brown fur color is mated to two...Ch. 2 - 13. Figure 2.12 shows the results of Mendel’s...Ch. 2 - 14. An experienced goldfish breeder receives two...Ch. 2 -
15. The accompanying pedigree shows the...Ch. 2 -
16. A geneticist crosses a pure-breeding strain...Ch. 2 - Suppose an F1 plant from Problem 16 is crossed to...Ch. 2 - 18. In pea plants, the appearance of flowers along...Ch. 2 - 19. If two six-sided dice are rolled, what is the...Ch. 2 - Experimental Insight 2.1 describes data, collected...Ch. 2 -
21. The accompanying pedigree shows the...Ch. 2 - 22. The seeds in bush bean pods are each the...Ch. 2 - List all the different gametes that are possible...Ch. 2 - Organisms with the genotypes AABbCcDd and AaBbCcDd...Ch. 2 -
52. In humans, the ability to bend the thumb...Ch. 2 - In the fruit fly Drosophila, a rudimentary wing...Ch. 2 - In pea plants, plant height, seed shape, and seed...Ch. 2 - A variety of pea plant called Blue Persian...Ch. 2 - 29. In tomato plants, the production of red fruit...Ch. 2 - A male and a female are each heterozygous for both...Ch. 2 - 31. In a sample of families with children each,...Ch. 2 - Prob. 32PCh. 2 - A woman expressing a dominant phenotype is...Ch. 2 - Two parents who are each known to be carriers of...Ch. 2 - 33. An organism having the genotype AaBbCcDdEe is...Ch. 2 - 34. A man and a woman are each heterozygous...Ch. 2 - For a single dice roll, there is a 16 chance that...Ch. 2 - You have four guinea pigs for a genetic study. One...Ch. 2 - 37. Galactosemia is an autosomal recessive...Ch. 2 - Sweet yellow tomatoes with a pear shape bring a...Ch. 2 - A cross between a spicy variety of Capsicum annum...Ch. 2 - Alkaptonuria is an infrequent autosomal recessive...Ch. 2 - 41. Humans vary in many ways from one another....Ch. 2 - 42. In chickens, the presence of feathers on the...Ch. 2 -
43. A pure-breeding fruit fly with the...Ch. 2 - 44. Situs inversus is a congenital condition in...Ch. 2 - 45. Domestic dogs evolved from ancestral grey...Ch. 2 - Alleles of the IGF-1 gene in dogs, encoding...Ch. 2 - 49. The Basalt Seed Lending Library run by the...
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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
- Below is a table of allele frequencies. Locus 1 Freq(116) = 0.3 Freq(120) = 0.4 Freq(124) = 0.3 Locus 2 Freq(88) = 0.6 Freq(92) = 0.4 Locus 3 Freq(180) = 0.1 Freq(183) = 0.5 Freq(186) = 0.4 You find a sample that has the following genotype: Locus 1: 116/124 Locus 2: 88/92 Locus 3: 186/186 What is the probability of getting a match to this sample by random chance? (Round your answer to 3 significant digits.)arrow_forwardPlease refer to the table below. If only data on the variances for F1, F2 and BC1 populations were available, how will the broad sense heritability estimate change? Show solutions.arrow_forwardUsing the observed counts for each genotype, how do you find the expected values with those numbers and the frequencies?arrow_forward
- Cystic fibrosis is a genetic disease mostly affecting people of European descent that is caused by a recessive allele. You sample 1000 people for this allele and find 772 homozygous normal individuals, 221 heterozygotes, and 7 people homozygous for cystic fibrosis. Is this population in Hardy-Weinberg equilibrium?arrow_forwardWhat kind of test would best determine whether genotypic frequencies match the Hardy-Weinberg model? Group of answer choices Chi-square with three rows (homozygous dominant, heterozygous, homozygous recessive) Chi-square with two rows (dominant and recessive alleles) T-test between homozygous and heterozygous T-test between dominant and recessive allelesarrow_forwardWhy is the variance larger for a BC1 population compared to an F1 population?arrow_forward
- If no genetic variation was observed within a particular population for a given trait, what will be the computed broad sense heritability value for the trait in the population?arrow_forwardWhy are monozygotic twins who are reared apart so useful in the calculation of heritability?arrow_forwardIf there is no genetic variation within a population for a given trait, what is the heritability for the trait in the population?arrow_forward
- How Can We Measure Allele Frequencies in Populations? Drawing on your newly acquired understanding of the HardyWeinberg equilibrium law, point out why the following statement is erroneous: Because most of the people in Sweden have blond hair and blue eyes, the genes for blond hair and blue eyes must be dominant in that population.arrow_forwardin the Hardy-Weinberg equation, what do the terms p2, q2, and 2pq represent, in terms of the genetic structure of a population?arrow_forwardA cross is made between AA Bb Cc Dd and Aa Bb cc dd individuals. Rather than making a very large Punnett square, which statistical operation could you use to solve this problem, and whatwould be the probability of an offspring that is AA bb Cc dd?a. Product rule, 1/32b. Product rule, 1/4c. Binomial expansion, 1/32d. Binomial expansion, 1/4arrow_forward
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