Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 19, Problem 3P
Compare and contrast broad sense heritability and narrow sense heritability, giving an example of each measurement and identifying how the measurement is used.
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Briefly outline some of the ways in which heritability can be calculated.
If the environmental variance increase and the genetic variance components remain the same what will the effect be on heritability?
Select one:
O a. Broad-sense heritability will increase
O b. There will be no change.
O c. Broad-sense heritability will increase, but narrow sense heritability will decrease.
O d. Narrow-sense heritability will increase
O e. Broad-sense heritability will decrease
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Chapter 19 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 19 - Which of the following traits would you expect to...Ch. 19 - 19.2 For the traits listed in the previous...Ch. 19 - Compare and contrast broad sense heritability and...Ch. 19 - 19.4 In a cross of two pure-breeding lines of...Ch. 19 - 19.5 Describe the difference between continuous...Ch. 19 - Prob. 6PCh. 19 - 19.7 Provide a definition and an example for each...Ch. 19 - 19.8 What is a random sample, and why can a random...Ch. 19 - 19.9 Why is heritability an important phenomenon...Ch. 19 - 19.10 Three pairs of genes with two alleles each (...
Ch. 19 - 19.11 In selective breeding experiments, it is...Ch. 19 - 19.12 Two inbred lines of sunflowers produce...Ch. 19 - What is quantitative trait locus (QTL)? Suppose...Ch. 19 - 19.14 In Nicotiana, two inbred strains produce...Ch. 19 - 19.15 Suppose the length of maize ears has narrow...Ch. 19 - In a line of cherry tomatoes, the average fruit...Ch. 19 - 19.17 Two purebreeding wheat strains, one...Ch. 19 - Prob. 18PCh. 19 - During a visit with your grandparents, they...Ch. 19 - 19.20 An association of racehorse owners is...Ch. 19 - Prob. 21PCh. 19 - Suppose a polygenic system for producing color in...Ch. 19 - New Zealand lamb breeders measure the following...Ch. 19 - Cattle breeders would like to improve the protein...Ch. 19 - In human gestational development, abnormalities of...Ch. 19 - The children of couples in which one partner has...Ch. 19 - Answer the following in regard to multifactorial...Ch. 19 - 19.28 Suppose the mature height of a plant is a...Ch. 19 - A three-gene system of additive genes (A, B, and...Ch. 19 - 19.30 Congenital dislocation of the hip is a...Ch. 19 - A total of 20 men and 20 women volunteer to...
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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
- Define heritability, and distinguish between broad-senseheritability and narrow-sense heritability.arrow_forwardA personality psychologist is interested if being a snob is heritable. To answer this question a personality psychologist recruits a huge sample of 2,593 identical twins and found that identical twins were similar in how snobby they were with an effect size of r=0.6. They also recruit a huge sample of 1845 fraternal twins and found that fraternal twins were also similar in how snobby they were with an effect size of r=0.4. Calculate the heritability coefficient for being a snob.arrow_forwardCompute the broad sense and narrow sense heritability using the formulaarrow_forward
- The broad-sense heritability of a trait is estimated at 0.6. If the total phenotypic variance is estimated at 30.0, what is the genetic variance? 12 18 36 5 9arrow_forwardMonozygotic twin studies have allowed the correlation coefficient to be derived for a number of medical conditions. One example is blood pressure, where the coefficient is 0.6. Calculate the maximum value for the narrow sense heritability for blood pressure. B. 0.30 С. 0.50 D. 0.60 Е. 1.00arrow_forwardThe length of the middle joint of the right index finger was measured in 10 sets of parents and their adult offspring. The mean parental lengths and the mean offspring lengths for each family are listed in the accompanying table. Calculate the regression coefficient for regression of mean offspring length against mean parental length and estimate the narrow-sense heritability for this characteristic. Mean parental length (mm) Mean offspring length (mm) 30 31 35 36 28 31 33 35 26 27 32 30 31 34 29 28 40 38 33 34arrow_forward
- Describe how genetic influences of quantitative traits can be studied in humans. Describe some of the types of studies and why they are helpful. Answer in at least 4 full sentences.arrow_forwardPlease explain how the more genes that contribute to a particular trait, the less discrete the categories become, and the more continuous it is, the distribution appears in a quantitative trait. Be sure that you include the following topics in your description: phenotypic categories, genotype, dominant and recessive, segregations of alleles, additive alleles.arrow_forwardIn the following table, average differences of birth height, birth weight, and IQ score between monozygotic twins (reared together and apart are compared. Based on the data below, which quantitative trait has the lowest heritability? Trait Height (cm) Weight (kg) IQ Height Weight IQ MZ Reared Together 0.7 1.9 1.7 MZ Reared Apart 0.8 4.5 1.9arrow_forward
- The correlation coefficient for the height data of students at Trent (Offspring~Midparent correlation) is 0.56. What is the heritability of height? If one parent’s height were 2 inches above the population mean and the other’s were 6 inch above, what would be the expected deviation of the height of their child from the population mean.arrow_forwardC. In a horse population, three different traits showing continuous distribution were measured, and their variances are shown in the table below: Traits Cutting Racing Speed Jumping Variance Ability Ability Phenotypic 96 39.2 39 Environmental 42 27.8 16.8 Additive 39 12.4 12 Dominance 10 3.1 9. 1. Calculate the broad sense and narrow sense heritabilities for each trait.arrow_forwardHow do broad-sense and narrow-sense heritabilities differ?arrow_forward
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