MOLECULAR BIOLOGY OF THE CELL
6th Edition
ISBN: 9780393870947
Author: ALBERTS
Publisher: NORTON
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Chapter 8, Problem 15P
Summary Introduction
To explain: The statement, “We would have no idea today of the importance of insulin as a regulatory hormone if its absence were not associated with the human disease diabetes. It is the dramatic consequences of its absence that focused early efforts on the identification of insulin and the study of its normal role in physiology.”
Concept introduction: Insulin hormone originated in the body from pancreas. Insulin is a regulatory hormone that helps the body to convert blood sugar into energy. The increase in blood sugar stimulates the pancreas to release insulin into the blood stream. Without insulin body does not use or store glucose for energy it stays in our blood causes diabetes.
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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
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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 8 Solutions
MOLECULAR BIOLOGY OF THE CELL
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