BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 13, Problem 13WIO
Summary Introduction
To determine:
Whether the genetic similarity that exists more between human and chimp than human and human is an indication of the fact that humans are chimps or different humans belong to different species.
Introduction:
Evolution is the change in the
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The text explains that selective breeding involves breeding animals or plants for specific desirable traits. For example, humans bred different types of dogs to accomplish certain jobs. Farmers breed chickens for having meat and laying a greater amount of eggs. Cattle are often selectively bred either for more meat or for more milk production. The text also notes that breeding animals for size and strength interferes with natural animal processes. Based on this information presented in the text, who benefits from the traits different animals are bred for?
a) humans breeding the animals
b) the animals being bred by the humans
c) both the humans breeding the animals and the animals being bred by the humans
d) animals not being bred by humans
MAKE A simple sketch and label characteristics
Choose a human-related organism to study. As you consider strategies to enhance the social value of this organism, think of other desirable attributes that may be added to it. Imagination is a powerful tool, so let it go wild and imagine that you can transfer genes across other animals.
For example: A gene from a firefly has been transferred into tobacco plants so that they may glow in the dark, as demonstrated by geneticists. Tobacco pests are less likely to attack at night because of this.
Chimpanzees and humans obviously look and act very differently, but their genomes are remarkably similar. What types of mechanisms could explain how small differences in genotype can result in such large differences in phenotype?
Chapter 13 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 13.1 - What is the geologic timescale?Ch. 13.1 - What types of information provide the clues that...Ch. 13.2 - Why is the fossil record useful, even if it doesnt...Ch. 13.2 - Distinguish between relative and absolute dating...Ch. 13.2 - How does radiometric dating work?Ch. 13.3 - Prob. 1MCCh. 13.3 - Prob. 2MCCh. 13.4 - Prob. 1MCCh. 13.4 - Prob. 2MCCh. 13.4 - Prob. 3MC
Ch. 13.5 - How does the study of embryonic development reveal...Ch. 13.5 - Prob. 2MCCh. 13.6 - How does analysis of DNA and proteins support...Ch. 13.6 - Prob. 2MCCh. 13 - Why is the fossil record incomplete? a. Because...Ch. 13 - Prob. 2MCQCh. 13 - Prob. 3MCQCh. 13 - The study of biogeography is most concerned with...Ch. 13 - Octopuses and cuttlefish are mollusks that have a...Ch. 13 - Ground beetles have useless hindwings. In related...Ch. 13 - Scorpions occupy every continent except...Ch. 13 - Prob. 8MCQCh. 13 - Prob. 9MCQCh. 13 - Which of the following would be most useful for...Ch. 13 - Prob. 1WIOCh. 13 - Prob. 2WIOCh. 13 - Why are transitional fossils especially useful for...Ch. 13 - Prob. 4WIOCh. 13 - Index fossils represent organisms that were...Ch. 13 - Prob. 6WIOCh. 13 - Prob. 7WIOCh. 13 - How did the discovery of Wallaces line demonstrate...Ch. 13 - Why is it important for evolutionary biologists to...Ch. 13 - Suppose that plants in the San Francisco Bay area...Ch. 13 - Many species look similar as embryos. What causes...Ch. 13 - Give examples of how the field of evolutionary...Ch. 13 - Prob. 13WIOCh. 13 - Prob. 14WIOCh. 13 - Prob. 15WIOCh. 13 - Prob. 16WIOCh. 13 - Genetic anthropology combines the study of DNA...Ch. 13 - Review Burning Question 13.13, which explains why...Ch. 13 - Review the Survey the Landscape figure in the...Ch. 13 - Write a phrase to connect fossils and biogeography...Ch. 13 - Add the following terms to this concept map:...Ch. 13 - Provide an example of ach line of evidence for...
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- Figure 10.7 Why was Dolly a Finn-Dorset and not a Scottish Blackface sheep?arrow_forwardOnly when extensive genetic data became available were scientists able to definitively resolve the relationship between humans, chimpanzees and gorillas. Explain why the relationship between these three species was a particularly difficult challenge to solve. Important point. Explain why the relationship between these three species was a particularly difficult challenge to solve?? I don't really see that in your answer. I posted this question 3 times but answer given me wrong.arrow_forwardAn adult human has a flat face with a small jaw and large cranium. An adult chimpanzee has a large jaw and small cranium. Both juvenile chimps and humans have heads similar to adult humans. Which of the following is a reasonable explanation for this pattern? Group of answer choices A) genes that modify skull shape are not expressed in chimps during development B) head shape is controlled by cytoplasmic determinants C)genes that modify skull shape are not expressed in humans during development D) chimps and humans have completely different genes controlling the formation of the headarrow_forward
- According to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman? A.Only individuals within North and South America descended from the L3 woman. B.All individuals within Africa are descended from the L3 woman. C.All individuals outside of Africa and who live in the Old World are descended from the L3 woman. D.All individuals outside of Africa are descended from the L3 womanarrow_forwardIf it were possible for there to be a hybrid between a human and a chimpanzee the offspring would have an odd number of chromosomes. True or Falsearrow_forwardWhich statement about analogies is correct? a. They occur only as errors. b. They are synonymous with homologous traits. c. They are derived by response to similar environmental pressures. d. They are a form of mutation.arrow_forward
- Why are humans genetically less variable than penguins?arrow_forwardThere are three types of polar bears - ones with thick coats, ones with thin coats, and ones with medium coats. It is fall and soon it will be winter. the temperatures are dropping rapidly and the bears must be kept warm or they will freeze to death. the bears have had an average of 2 cubs each, but due to the extreme temperatures, many mother bears have only one cub left. Darwin's 2nd point is that some variations are favorable. Which of the variations would be favorable in this environment for the population of polar bears?arrow_forwardBesides a mutation for red color, what other mutation occurred in the lizard populationarrow_forward
- Once nuclear DNA sequencing became fast and able to handle sequencing ancient DNA, living humans were found to have some Neanderthal genes. Is this finding clear evidence that some early modern humans did indeed hybridize with Neanderthals? Why?arrow_forwardOften successful domestication of a plant or animal is due to the fact that this involved just a few gene changes. In what situation can changes in just a few genes dramatically change an organism's entire appearance?arrow_forwardSteven Frank and Laurence Hurst argued that a cytoplasmically inherited mutation in humans that has severe effects in males but no effect in females will not be eliminated from a population by natural selection because only females pass on mtDNA. Using this argument, explain why males with Leber hereditary optic neuropathy are more severely affected than females.arrow_forward
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