Bundle: Nutrition: Concepts and Controversies, Loose-leaf Version, 14th + LMS Integrated for MindTap Nutrition, 1 term (6 months) Printed Access Card
14th Edition
ISBN: 9781337127547
Author: Frances Sizer, Ellie Whitney
Publisher: Cengage Learning
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Chapter 12, Problem 19SC
Summary Introduction
Introduction:
Selective breeding is act of selecting certain breeds or strains of organism and allowing them to breed to obtain offspring of desirable characters.
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Chapter 12 Solutions
Bundle: Nutrition: Concepts and Controversies, Loose-leaf Version, 14th + LMS Integrated for MindTap Nutrition, 1 term (6 months) Printed Access Card
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 1CTCh. 12 - Outline possible motivations of industry growers,...Ch. 12 - Prob. 1SCCh. 12 - Prob. 2SCCh. 12 - Prob. 3SCCh. 12 - Prob. 4SCCh. 12 - Prob. 5SC
Ch. 12 - Prob. 6SCCh. 12 - Infants under one year of age should never be fed...Ch. 12 - Which of the following is correct concerning...Ch. 12 - Irradiation can a. destroy vitamins. b. sterilize...Ch. 12 - Prob. 10SCCh. 12 - It is possible to eliminate all toxins from your...Ch. 12 - Prob. 12SCCh. 12 - Prob. 13SCCh. 12 - Compared with conventionally grown produce,...Ch. 12 - Prob. 15SCCh. 12 - Prob. 16SCCh. 12 - Prob. 17SCCh. 12 - Prob. 18SCCh. 12 - Prob. 19SCCh. 12 - Prob. 20SC
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- Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological developmentarrow_forwardThe fact that DNA sequences are more similar in more closely related organisms is evidence of what? a. optimal design in organisms b. adaptation c. mutation d. descent with modificationarrow_forwardMutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population (c) is the result of genetic drift (d) almost always benefits the organism (e) a and barrow_forward
- Why are alternative scientific theories to evolution not taught in public school? a. more theories would confuse students b. there are no viable scientific alternatives c. it is against the law d. alternative scientific theories are suppressed by the science establishmentarrow_forwardDNA____________. a. guides form and function c. is transmitted from parent to offspring b. is the basis of traits d. all of the abovearrow_forwardEvolution is the accumulation of genetic changes within _______________ over time. (a) individuals (b) populations (c) communities (d) a and b (e) a and carrow_forward
- Why might captive-breeding programs that reintroduce species into natural environments fail?arrow_forwardA control group is __________. a. a set of individuals that have a certain characteristics or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive resultsarrow_forwardMatch the modes of natural selection with their best description. ____ stabilizing a. eliminates extreme forms of a trait ____ directional b. eliminates midrange forms of a trait ____ disruptive c. shifts phenotypes in one directionarrow_forward
- What is a genetically modified organism (GMO)? a. a plant with certain genes removed b. an organism with an artificially altered genome c. a hybrid organism d. any agricultural organism produced by breeding or biotechnologyarrow_forwardThe study of how genes are transferred from parents to their children and the role of genes in health and disease is known as ________________. cytology geneticsarrow_forwardImproving the nutritional value of food has long been one of the goals in agricultural genetics. Crossing different strains of plants and animals followed by generations of artificial selection have yielded some successes, including the development of high-protein maize. The use of gene transfer biotechnology has led to other advances, including the creation of nutritionally enhanced rice to combat vitamin A deficiency and blindness. Researchers are now turning their attention to the nutritional enhancement of animals that are used as food. Scientists are now turning their attention to using gene transfer technology to nutritionally enhance animal foods. Recently, biotechnology was used to produce a sheep with increased amounts of an omega-3 essential fatty acid that plays an important role in the development of the nervous system and, in adults, reduces the risk of coronary artery disease. Once a small number of transgenic animals have been produced, they can be bred by conventional methods to establish a source of nutritionally enhanced meat and milk. The use of biotechnology is presenting consumers with many new choices, which will become more common in the future. Increasingly, we will all have to educate ourselves about the pros and cons of such decisions. How would you explain your decision to eat nutritionally enhanced meat from animals modified by biotechnology?arrow_forward
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The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY