Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)
14th Edition
ISBN: 9781305627994
Author: Frances Sizer, Ellie Whitney
Publisher: Brooks Cole
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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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Which of the following does not apply to mutations?a. They occur to cause adaptive changes in response to the environment.b. They are usually either harmful or neutral.c. They are only inherited if they occur in a sperm or egg cell.d. They often occur when DNA is copied.
Much research has been done in the cloning of animals; a tadpole in 1954, Dolly the
sheep in 1997, and the endangered gaur are just a few of the "famous" cloned
animals. However, cloning of animals has met with limited success. Which
statement is a scientific argument against the cloning of animals?
Animals on the endangered species list could be cloned, and their populations
A
would increase.
Most cloned animals have a compromised immune system and have a low
survival rate.
Cloning of animals can be beneficial in the treatment and prevention of many
diseases.
New technologies and scientific equipment have made cloning of animals safe.
Define gene mutation
Group of answer choices
A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population
C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
D. A rare and random change in a gene that can be bad or benef icial depending on the environment .
Chapter 12 Solutions
Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)
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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- In a hybrid zone, reinforcement often prevents which of the following? a. Fusion b. Incipient species c. Secondary contact d. Hybrid infertilityarrow_forwardPlace the following elements in the strategy to control mosquito populations in the correct order from earliest to latest by numbering them from 1 to 5. a. Scientists genetically modify male mosquitoes in the lab. b. Mosquito offspring produced by the matings do not survive to adulthood. c. GM male mosquitoes mate with normal wild females. d. The mosquito population decreases dramatically. e. Scientists release GM male mosquitoes into the wild.arrow_forwardScenario C: Your Uncle raises beef cattle and is considering adding low amounts of antibiotics to their feed because he heard it makes them grow larger. Explain to him: The concept of using antibiotics for "essential use only." The process of natural selection. How low levels of antibiotics select for resistant bacteria. How these antibiotic resistant bacteria can then be harmful to not only cows, but also humans.arrow_forward
- Two parents, who are thought to be different species, mate and produce viable hybrid offspring. When two of these hybrids mate, their offspring are not viable. What is the BEST interpretation of this data? A. The original parents are the same species because they can breed together. B. The original parents are the same species because they can breed together and produce viable offspring. C. The original parents are not the same species because they produce hybrids that impair the species’ development or survival in its environment. D. The original parents are not the same species because they produce hybrids that can have reduced viability and fertility when they mate.arrow_forwardMorphological differences are abundant among many species. We make assumptions about why adaptations exist, but to understand whether a specific trait is a adaptive and why, researchers must create experiments that have all the following, EXCEPT: a. replication of each treatment to ensure reliability of results. b. experimental design that enables all full interpretation of differences. c. include control groups. d. hypotheses that are testable and falsifiable. e. exceedingly small sample sizes in each treatment group.arrow_forwardExplain how captive breeding can help with endangered species recovery, and give an example. Now explain why cloning could never be, in itself, an effective response to species loss.arrow_forward
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