GENETICS:ANALYSIS+PRIN.(LL)-W/ACCESS
6th Edition
ISBN: 9781260239775
Author: BROOKER
Publisher: MCG
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Chapter 22, Problem 4EQ
Summary Introduction
To review:
The purpose behind the kanamycin, plant growth hormone and carbenicillin in the media, and the action shown in media when kanamycin is left out.
Introduction:
T- DNA (transfer deoxyribonucleic acid) of Agrobacterium tumefaciens is used for the production of transgenic plants. T- DNA is inserted in the chromosomal DNA of the plant as a vector for production of cloned genes. The vector gene is then transformed into the bacteria. The plant is then exposed to the bacteria. A rapid cell divisionfollows the infection of Agrobacterium. The cells of the plant are treated with kanamycin and carbenicillin. This agent is used in the media to kill Agrobacterium tumefaciens.
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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 22 Solutions
GENETICS:ANALYSIS+PRIN.(LL)-W/ACCESS
Ch. 22.1 - 1. Which of the following uses of microorganisms...Ch. 22.1 - Prob. 2COMQCh. 22.1 - Prob. 3COMQCh. 22.2 - When a cloned gene is inserted into a noncritical...Ch. 22.2 - Prob. 2COMQCh. 22.3 - Prob. 1COMQCh. 22.3 - Prob. 2COMQCh. 22.4 - Prob. 1COMQCh. 22.4 - Prob. 2COMQCh. 22.5 - A means of introducing a cloned gene into cells...
Ch. 22.5 - 2. Which of the following best describes the...Ch. 22 - 1. What is a recombinant microorganism? Discuss...Ch. 22 - Prob. 2CONQCh. 22 - 3. What is bioremediation? What is the difference...Ch. 22 - Prob. 4CONQCh. 22 - Prob. 5CONQCh. 22 - Prob. 6CONQCh. 22 - 7. What is a transgenic organism? Describe three...Ch. 22 - Prob. 8CONQCh. 22 - Explain the difference between gene modification...Ch. 22 - As described inChapter 5, not all inherited traits...Ch. 22 - Prob. 11CONQCh. 22 - 12. Discuss the concerns that some people have...Ch. 22 - Prob. 1EQCh. 22 - 2. Bacillus thuringiensis makes toxins that kill...Ch. 22 - Prob. 3EQCh. 22 - Prob. 4EQCh. 22 - Prob. 5EQCh. 22 - What is a gene knockout? Is an animal or plant...Ch. 22 - Prob. 7EQCh. 22 - Evidence [see P. G. Shiels, A. J. Kind, K. H....Ch. 22 - Prob. 9EQCh. 22 - 10. What is reproductive cloning? Are identical...Ch. 22 - Researchers have identified a gene in humans that...Ch. 22 - Treatment of adenosine deaminase (ADA) deficiency...Ch. 22 - Several research studies are under way that...Ch. 22 - Prob. 1QSDCCh. 22 - 2. A commercially available strain of P....Ch. 22 - Prob. 3QSDC
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