Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 27, Problem 4CONQ
Explain the difference between a continuous trait and a discontinuous trait. Give two examples of each. Are quantitative traits likely to be continuous or discontinuous? Explain why.
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Chapter 27 Solutions
Genetics: Analysis and Principles
Ch. 27.1 - 1. Which of the following is an example of a...Ch. 27.1 - 2. Saying that a quantitative trait follows a...Ch. 27.2 - The variance is a. a measure of the variation...Ch. 27.2 - 2. Which of the following statistics is used to...Ch. 27.3 - 1. For many quantitative traits, genotypes and...Ch. 27.3 - A QTL is a __________ where one or more genes...Ch. 27.3 - 2. To map QTLs, strains are crossed that differ...Ch. 27.4 - 1. In a population of squirrels in North Carolina,...Ch. 27.4 - Prob. 2COMQCh. 27.4 - 3. One way to estimate narrow-sense heritability...
Ch. 27.5 - 1. For selective breeding to be successful, the...Ch. 27.5 - Prob. 2COMQCh. 27 - Give several examples of quantitative traits.How...Ch. 27 - 2. At the molecular level, explain why...Ch. 27 - 3. What is a normal distribution? Discuss this...Ch. 27 - 4. Explain the difference between a continuous...Ch. 27 - What is a frequency distribution? Explain how such...Ch. 27 - 6. The variance for weight in a particular herd of...Ch. 27 - Two different varieties of potato plants produce...Ch. 27 - 8. If , would you conclude that a positive...Ch. 27 - Prob. 9CONQCh. 27 - When a correlation coefficient is statistically...Ch. 27 - 11. What is polygenic inheritance? Discuss the...Ch. 27 - What is a quantitative trait locus (QTL)? Does a...Ch. 27 - 13. Let’s suppose that weight in a species of...Ch. 27 - Prob. 14CONQCh. 27 - 15. From an agricultural point of view, discuss...Ch. 27 - Many beautiful varieties of roses have been...Ch. 27 - 17. In your own words, explain the meaning of the...Ch. 27 - 18. What is the difference between broad-sense...Ch. 27 - The heritability for egg weight in a group of...Ch. 27 - In a fairly large population of people living in a...Ch. 27 - When artificial selection is practiced over many...Ch. 27 - 22. Discuss whether a natural population of wolves...Ch. 27 - 23. With regard to heterosis, is each of...Ch. 27 - Here are data for height and weight among 10 male...Ch. 27 - 2. The abdomen length (in millimeters) was...Ch. 27 - 3. You conduct an RFLP analysis of head weight in...Ch. 27 - 5. Let’s suppose that two strains of pigs differ...Ch. 27 - Prob. 6EQCh. 27 - In a wild strain of tomato plants, the phenotypic...Ch. 27 - The average thorax length in aDrosophilapopulation...Ch. 27 - 9. In a strain of mice, the average 6-week body...Ch. 27 - Prob. 11EQCh. 27 - 11. A danger in computing heritability values from...Ch. 27 - For each of the following relationships,...Ch. 27 - An animal breeder had a herd of sheep with a mean...Ch. 27 - The trait of blood pressure in humans has a...Ch. 27 - Prob. 10EQCh. 27 - Discuss why heritability is an important...Ch. 27 - From a biological viewpoint, speculate as to why...Ch. 27 - 3. What is heterosis? Discuss whether it is caused...
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- 5G JA ATTC 3 3 CTIA A1G5 5 GAAT I I3 3 CTIA AA5 Fig. 5-3: The Eco restriction site (left) would be cleaved at the locations indicated by the arrows. However, a SNP in the position shown in gray (right) would prevent cleavage at this site by EcoRI One of the SNPs in B. rapa is found within the Park14 locus and can be detected by RFLP analysis. The CT polymorphism is found in the intron of the Bra013780 gene found on Chromosome 1. The Park14 allele with the "C" in the SNP has two EcoRI sites and thus is cleaved twice by EcoRI If there is a "T" in that SNP, one of the EcoRI sites is altered, so the Park14 allele with the T in the SNP has only one EcoRI site (Fig. 5-3). Park14 allele with SNP(C) Park14 allele with SNPT) 839 EcoRI 1101 EcoRI 839 EcoRI Fig. 5.4: Schematic restriction maps of the two different Park14 alleles (1316 bp long) of B. rapa. Where on these maps is the CT SNP located? 90 The primers used to amplify the DNA at the Park14 locus (see Fig. 5 and Table 3 of Slankster et…arrow_forwardFrom your previous experiment, you found that this enhancer activates stripe 2 of eve expression. When you sequence this enhancer you find several binding sites for the gap gene, Giant. To test how Giant interacts with eve, you decide to remove all of the Giant binding sites from the eve enhancer. What results do you expect to see with respect to eve expression?arrow_forwardWhat experiment could you do to see if the maternal gene, bicoid, is sufficient to form anterior fates?arrow_forward
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