Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 9.6, Problem 2TC
Summary Introduction
To determine: The reason why researchers were concerned by the given discovery.
Introduction: A stem cell is a cell that has the potential to develop into specialized cell types in a body. The stem cells are present throughout the life of an individual. They are the foundation of each tissue in our body.
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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 9 Solutions
Biology
Ch. 9.1 - describe the types of cells found in a...Ch. 9.1 - Prob. 2CYLCh. 9.2 - describe the prokaryotic cell cycle and the major...Ch. 9.3 - describe the structure of a eukaryotic chromosome?Ch. 9.3 - describe the functions of telomeres and...Ch. 9.4 - Body, Heal Thyself Ligaments and tendons have a...Ch. 9.4 - describe the events of the eukaryotic cell cycle?Ch. 9.4 - explain the difference between mitotic cell...Ch. 9.5 - What would the consequences be if one set of...Ch. 9.5 - Body, Heal Thyself The precision of mitotic cell...
Ch. 9.5 - describe the steps of mitotic cell division?Ch. 9.5 - describe the usual outcome of mitotic cell...Ch. 9.5 - Prob. 3CYLCh. 9.6 - The saliva of dogs, like the saliva of most...Ch. 9.6 - describe the interactions among growth factors,...Ch. 9.6 - explain how a cell protects against producing...Ch. 9.6 - Yesterday, when Daniel was showering after a...Ch. 9.6 - Prob. 2TCCh. 9 - A cell that remains capable of dividing throughout...Ch. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - How does prokaryotic fission differ from...Ch. 9 - Prob. 5MCCh. 9 - The genetic material of all living organisms is...Ch. 9 - Prokaryotic cells divide by a process called...Ch. 9 - Prob. 3FIBCh. 9 - Prob. 4FIBCh. 9 - The four phases of mitosis are _________,...Ch. 9 - Prob. 6FIBCh. 9 - Diagram and describe the eukaryotic cell cycle....Ch. 9 - Prob. 2RQCh. 9 - Prob. 3RQCh. 9 - Define the following terms: centromere, telomere,...Ch. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Most nerve cells in the adult human central...Ch. 9 - Prob. 2AC
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