Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 24, Problem 2U
Summary Introduction
Introduction:
Mutation is a process of alteration in
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Genome comparisons have suggested that mouse DNA has mutated about twice as fast as human DNA. What is a possible explanation for this discrepancy?
a. Mice are much smaller than humans.
b. Mice live in much less sanitary conditions than humans and are therefore exposed to a wider range of mutation-causing substances.
c. Mice have a smaller genome size.
d. Mice have a much shorter generation time.
How would sequencing the entire genome of an organism help scientists to understand how that organismfunctioned?
What were the two major goals of the Human Genome Project? Select all that apply.
a
to isolate each gene
b
to identify all DNA base sequences
c
to identify noncoding regions
d
to find a cure for cancer
Chapter 24 Solutions
Biology
Ch. 24 - Humans and pufferfish diverged from a common...Ch. 24 - Prob. 2UCh. 24 - Prob. 3UCh. 24 - Homologous genes in distantly related organisms...Ch. 24 - All of the following are believed to contribute to...Ch. 24 - What is the fate of most duplicated genes? a. Gene...Ch. 24 - Chimp and human DNA whole-genome sequences differ...Ch. 24 - Prob. 2ACh. 24 - Analyze the conclusion that the Medicago...Ch. 24 - Analyze why an herbicide that targets the...
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- A. What is the wild progenitor of maize and where is it found? B. George Beadle concluded that this plant was the likely ancestor of maize (corn) even though the two plants appear very different. What evidence did Dr. Beadle collect that led to his conclusion? C. How long ago was maize domesticated and what evidence was utilized to determine this? D. Dr. Doebley and his team compared the DNA sequence of maize to that of a number of teosinte varieties from throughout Mexico. What did their analysis reveal?arrow_forwardA. Why are mammals hard to clone? B. What were the names of the first two cloned cows?arrow_forwardA student wants to observe how the environment of bacteria affects gene expression. How should the experiment be designed? A. exposing the same species of bacteria to the same carbohydrates in each sample B. exposing the same species of bacteria to different carbohydrates in each sample C. exposing different species of bacteria to the same carbohydrates in each sample D. exposing different species of bacteria to different carbohydrates in each samplearrow_forward
- What is Gene therapy ? Explain in your own words Do monkeys have similar blood types to humans justify your answer ?arrow_forwardHow could learning about genetic engineering help scientists to mass produce proteins and other substances that can be used for treatment of diseases in large quantities?arrow_forwardThe diagram to the right shows how tiles can be put together in different ways. How does this example relate to the role of DNA as the universal genetic material in organisms?arrow_forward
- Segmental duplications play an important role in evolution by a. giving rise to new genes and multigene families. b. keeping the number of genes in a genome constant. c. eliminating repetitive sequences produced by transposition. d. controlling the base content of the genome.arrow_forwardCompare and contrast linkage analysis and genome-wide association studies. How are they similar? How are they different?arrow_forwardgenetics question 3. Explain how accurate direct-to-consumer test kits are for identifying BRCA1 and BRCA2 mutations? If you had a positive result, how would you interpret this result and what steps might you take next?arrow_forward
- What would happen if the DNA and RNA that are mixed together came from very different organisms, for example a worm and a pig?arrow_forwardIf DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C? a. 27 percent b. 30 percent c. 23 percent d. 54 percentarrow_forwardRefer to the DNA models below. a. In what ways are they similar?b. In what ways are they different?arrow_forward
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