Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 19, Problem 7FTB
Fill-in-the-Blank
Diseases caused by pathogenic bacteria include __________,_________, and__________. Harmful strains of E. coli can be transmitted to humans by consumption of_________,_________, or ___________. LO7
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The shape of radishes may be long (SL/SL), oval (SL/SS), or round (SS/SS), and the color of radishes may be red (CR/CR), purple (CR/CW) or white (CW/CW). If a long, red radish plant is crossed with a round, white plant, what will be the appearance of the F1 and F2 generations?
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 19 Solutions
Biology: Life on Earth
Ch. 19 - _______have peptidoglycan in their _____, but____...Ch. 19 - Fill-in-the-Blank The size of prokaryotic cells...Ch. 19 - 3. Many prokaryotes use _____ to move about. Some...Ch. 19 - _____ bacteria inhabit environments that lack...Ch. 19 - 5. Prokaryotes reproduce by _____and may sometimes...Ch. 19 - 6. The plant nutrient ammonium is produced by___...Ch. 19 - Fill-in-the-Blank Diseases caused by pathogenic...Ch. 19 - A virus consists of a molecule of ____or _____...Ch. 19 - Describe some of the ways in which prokaryotes...Ch. 19 - What are nitrogen-fixing bacteria, and what role...
Ch. 19 - Describe some of the extreme environments in which...Ch. 19 - Prob. 4RQCh. 19 - What is conjugation? What role do plasmids play in...Ch. 19 - 6. Why are prokaryotes especially useful in...Ch. 19 - Describe the structure of a typical virus. How do...Ch. 19 - Describe some examples of how prokaryotes are...Ch. 19 - How do archaea and bacteria differ? How do...Ch. 19 - Prob. 1ACCh. 19 - Before the discovery of prions, many (perhaps...Ch. 19 - Argue for and against the statement "Viruses are...
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- four fish or mussel species that are native to the great lakesarrow_forwardThere are a wide range of therapeutic applications available as options for patients. Medical professionals should be aware of these applications so they can make informed recommendations to patients. To gain a better understanding of some therapeutic applications and how they are related to RNA and mRNA, research long non-coding RNA. Respond to the following in a minimum of 175 words: What is lncRNA and what does it do? How does IncRNA differ from mRNA? What are some therapeutic applications associated with lncRNA? Think about possible future uses of this application. What are the advantages and disadvantages of this application and its continued use?arrow_forwardfour physial characteristics of a fish or a mussel that would help you identify it to a speciesarrow_forward
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