What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 8, Problem 15SA
Summary Introduction
To analyze:
Examples of artificial selection in agriculture and/ or animal breeding.
Introduction:
Artificial selection is a special case of natural selection. It is a process of domestication or breeding by the farmers and breeders to obtain desired traits in plants and animals.
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Chapter 8 Solutions
What is Life? A Guide to Biology with Physiology
Ch. 8 - Prob. 1SACh. 8 - Prob. 2SACh. 8 - Prob. 3SACh. 8 - Prob. 4SACh. 8 - Prob. 5SACh. 8 - Prob. 6SACh. 8 - Prob. 7SACh. 8 - Prob. 8SACh. 8 - Prob. 9SACh. 8 - Prob. 10SA
Ch. 8 - Prob. 11SACh. 8 - Prob. 12SACh. 8 - Prob. 13SACh. 8 - Prob. 14SACh. 8 - Prob. 15SACh. 8 - Prob. 16SACh. 8 - Prob. 17SACh. 8 - Prob. 18SACh. 8 - Prob. 19SACh. 8 - Prob. 20SACh. 8 - Prob. 21SACh. 8 - Prob. 1MCCh. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 - Prob. 5MCCh. 8 - Prob. 6MCCh. 8 - Prob. 7MCCh. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MCCh. 8 - Prob. 11MCCh. 8 - Prob. 12MCCh. 8 - Prob. 13MCCh. 8 - Prob. 15MCCh. 8 - Prob. 16MC
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- Crossbreeding and genetic engineering are both ways to develop improved varieties of crops. True Falsearrow_forwardExplain how genetic engineering can be used to alterplant traits ?arrow_forwardExplain two advantages of GMO plants over traditional plant breeding. (What are two advantages of working with plants in this manner)arrow_forward
- Explain the technical differences between a cross-fertilizationexperiment versus a self-fertilization experiment.arrow_forwardA dairy farmer would like to reduce the incidence of mastitis within his herd. He has decided to implement genetic testing to inform management decisions within the herd towards this aim. Identify specific components of genetic evaluations that could be used to meet this objective. Discuss how the producer can influence annual genetic gain. How might the different factors you named in part a, affect annual genetic gain?arrow_forwardFrom an agricultural point of view, discuss the advantages and disadvantagesof selective breeding. It is common for plant breeders to take two different, highly inbred strains, which are the product of many generations of selective breeding, and cross them to make hybrids. How does this approach overcome some of the disadvantages of selective breeding?arrow_forward
- determine how the principles of genetics are used in animal breeding programs.arrow_forwardExamples of codominance include ABO blood type and coat color in cattle. In short horn cattle coat color pattern is determined by two alleles (CR = red; CW = white) that are both equally expressed. CRCW cattle are roan (red and white patches); therefore, both alleles affect the phenotype equally. The ABO system of blood typing exhibits codominance in humans. There are 3 alleles for the gene that determine ABO blood type (IA and IB are codominant alleles; allelei is recessive to alleles IA and IB). IAIA and I^i are type A; I®I® and IPi are type B; I^IB is type AB; ii is type O Practice Problem 4: 4a. If a man with blood type O marries a woman that is blood type AB, what are the predicted genotypes and phenotypes of their children? 4b. If a man with blood type A (I^i) marries a woman with blood type AB, what are the predicted genotypes and phenotypes of their children?arrow_forward1.) A farmer wants to breed a variety of taller corn. a) How can the farmer use variation in the height of the current corn plants to produce taller corn plants? b) Will the farmer’s work be most effective if height in corn plants is determined by polygenic inheritance, multiple alleles, or co-dominant alleles? Explain. c) The farmer finds that many of the tallest corn plants are also very susceptible to a particular disease. How could the farmer design an experiment to find out if the genes for height are linked to the genes for resistance to the disease?arrow_forward
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