NUTRITION-MINDTAP (1 TERM)
15th Edition
ISBN: 9781337907101
Author: Sizer
Publisher: CENGAGE L
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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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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.
The mutation rate is
a. the likelihood that a new mutation will occur in a given gene.
b. too low to substantially change allele frequencies in a population.
c. lower for mutations that create beneficial alleles.
d. All of the above are true of the mutation rate.
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-MINDTAP (1 TERM)
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 1SCCh. 12 - Prob. 2SCCh. 12 - Prob. 3SCCh. 12 - Prob. 4SCCh. 12 - Prob. 5SCCh. 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. 20SCCh. 12 - Prob. 1CTCh. 12 - Suggest possible motivations of Industry, growers,...
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- Which of the following is the mutation rate? a. the likelihood that a new mutation will occur in a given gene. b. too low to substantially change allele frequencies in a population. c. lower for mutations that create beneficial alleles. d. All of the above are true of the mutation rate.arrow_forwardTwo 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_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
- An experiment has been initiated in a laboratory where recombinant DNA technology has been used to substitute the gene responsible for change of colour in chameleon with another gene responsible for “glow- in-the-dark”. If this experiment is successful, chameleons carrying the “glow-in-the-dark” gene will not be able to change their colours any longer. Discuss the implication of these results in terms of ethics and conservation biology.arrow_forwardWhich of the following traits does not describe a r-selected species? A. rapid development B. low parental investment C. high reproductive rates D. short life spans E. late maturationarrow_forwardWhat happens to an organism (plant, animal, or microorganism) during genetic modification? A. Fewer desirable genes are transferred to a new species. B. Genes are removed from one organism and transferred to another. C. Plants or animals are given traits that they typically have. D. All of the abovearrow_forward
- You have been put in charge of developing a breed of domesticated dog that lives to be 40 years old on average. You will need to brainstorm for several minutes on how you could extend the life of dogs. You should refer to the example of the fruit flies from lecture.As part of this project, the breeders will need to put together an informational brochure to hand out to veterinarians and prospective owners of the dogs, which discusses: first, how dogs' age will be extended, then, some of the potential consequences of having a pet that lives for such a long time. The brochure will need to inform prospective owners that these dogs may live 40 or more years. It should point out that someone who is 30+ years old may have to plan on care for the pet if it were to outlive him or her. Also, there will be more lifetime costs associated with these dogs simply because they live so long. These dogs may be prone to diseases that are not seen in dogs with shorter life spans. Finally, there may be…arrow_forwardWhich of the following is TRUE about eugenics? a. None of the above. b. The idea of eugenics came from an incorrect interpretation of natural selection. c. The Nazis used the idea of eugenics to justify murdering millions of people. d. In the United States, people were forcibly sterilized without their consent, and the courts ruled that this was legal. e. All of the above.arrow_forwardIf hybrids are less successful than individuals of either parent species which of the following is most likely to occur? Group of answer choices A. fusion B. mutation C. reinforcement D. frequency dependent selectionarrow_forward
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