Anatomy & Physiology: The Unity of Form and Function
8th Edition
ISBN: 9781259277726
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 17.4, Problem 21BYGO
Summary Introduction
Introduction:
Hydrophilic hormone receptors are located on the plasma membrane. They are peptide hormones (insulin) and catecholamine, which are soluble in water. They cannot diffuse through the plasma membrane, and their receptors are present on the cell surface (transmembrane protein receptor). Hormone binding on receptors leads to cell signal transduction, and they act through secondary messengers (cAMP).
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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…
Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
Chapter 17 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 17.1 - Define the word hormone and distinguish a hormone...Ch. 17.1 - Prob. 2BYGOCh. 17.1 - Prob. 3BYGOCh. 17.1 - Prob. 4BYGOCh. 17.1 - Discuss why the target-cell concept is essential...Ch. 17.1 - The importance of intercellular communication for...Ch. 17.1 - The general term for the cells and glands that...Ch. 17.1 - Prob. 3AYLOCh. 17.1 - Prob. 4AYLOCh. 17.1 - Prob. 5AYLO
Ch. 17.2 - Prob. 6BYGOCh. 17.2 - Prob. 7BYGOCh. 17.2 - Prob. 8BYGOCh. 17.2 - In what sense does the pituitary take orders from...Ch. 17.2 - Prob. 10BYGOCh. 17.2 - Prob. 1AYLOCh. 17.2 - Prob. 2AYLOCh. 17.2 - Prob. 3AYLOCh. 17.2 - Two hormones synthesized in the hypothalamus and...Ch. 17.2 - Prob. 5AYLOCh. 17.2 - Two hormones secreted by the posterior pituitary,...Ch. 17.2 - Prob. 7AYLOCh. 17.2 - Prob. 8AYLOCh. 17.3 - Prob. 11BYGOCh. 17.3 - Prob. 12BYGOCh. 17.3 - Prob. 13BYGOCh. 17.3 - Prob. 14BYGOCh. 17.3 - Prob. 15BYGOCh. 17.3 - Prob. 16BYGOCh. 17.3 - Prob. 1AYLOCh. 17.3 - Prob. 2AYLOCh. 17.3 - Prob. 3AYLOCh. 17.3 - Anatomy of the parathyroid glands; their hormone...Ch. 17.3 - Prob. 5AYLOCh. 17.3 - Prob. 6AYLOCh. 17.3 - Three tissue zones of the adrenal cortex, the...Ch. 17.3 - Prob. 8AYLOCh. 17.3 - Prob. 9AYLOCh. 17.3 - Hormones produced by the following tissues and...Ch. 17.4 - What are the three chemical classes of hormones?...Ch. 17.4 - Prob. 18BYGOCh. 17.4 - Prob. 19BYGOCh. 17.4 - Prob. 20BYGOCh. 17.4 - Prob. 21BYGOCh. 17.4 - Prob. 1AYLOCh. 17.4 - Prob. 2AYLOCh. 17.4 - Prob. 3AYLOCh. 17.4 - Prob. 4AYLOCh. 17.4 - The Types of stimuli that elicit hormone...Ch. 17.4 - Thyroid hormone synthesis and secretionCh. 17.4 - Prob. 7AYLOCh. 17.4 - Prob. 8AYLOCh. 17.4 - Which hormones require second messengers to...Ch. 17.4 - How signal amplification enables small amounts of...Ch. 17.4 - How target cells modulate their hormone...Ch. 17.4 - Three kinds of interactions that can occur when...Ch. 17.4 - Prob. 13AYLOCh. 17.5 - Define stress from the standpoint of...Ch. 17.5 - Describe the stages of the general adaptation...Ch. 17.5 - Prob. 24BYGOCh. 17.5 - Prob. 1AYLOCh. 17.5 - Prob. 2AYLOCh. 17.5 - The three stages of the stress response; the...Ch. 17.6 - Prob. 25BYGOCh. 17.6 - Prob. 26BYGOCh. 17.6 - Prob. 27BYGOCh. 17.6 - Paracrine and autocrine secretions, examples, and...Ch. 17.6 - The general structure and metabolic precursor of...Ch. 17.6 - Prob. 3AYLOCh. 17.6 - Prob. 4AYLOCh. 17.6 - Prob. 5AYLOCh. 17.7 - Prob. 28BYGOCh. 17.7 - Prob. 29BYGOCh. 17.7 - Prob. 30BYGOCh. 17.7 - Prob. 1AYLOCh. 17.7 - Myxedema, endemic goiter, and toxic goiterCh. 17.7 - Effects of hypo- and hyperparathyroidismCh. 17.7 - Cushing syndrome and adrenogenital syndromeCh. 17.7 - Prob. 5AYLOCh. 17.7 - Prob. 6AYLOCh. 17.7 - Prob. 7AYLOCh. 17.7 - Consequences of inadequately treated DM and why...Ch. 17 - CRH secretion would not raise the blood...Ch. 17 - Prob. 2TYRCh. 17 - Prob. 3TYRCh. 17 - Prob. 4TYRCh. 17 - Prob. 5TYRCh. 17 - Prob. 6TYRCh. 17 - Prob. 7TYRCh. 17 - Prob. 8TYRCh. 17 - Prob. 9TYRCh. 17 - Prostaglandins are derived from a. phospholipase....Ch. 17 - Prob. 11TYRCh. 17 - Prob. 12TYRCh. 17 - Growth hormone hypersecretion in adulthood causes...Ch. 17 - Prob. 14TYRCh. 17 - Prob. 15TYRCh. 17 - Prob. 16TYRCh. 17 - Target cells can reduce pituitary secretion by a...Ch. 17 - Prob. 18TYRCh. 17 - Prob. 19TYRCh. 17 - ______ is a process in which a cell increases its...Ch. 17 - adeno-Ch. 17 - Prob. 2BYMVCh. 17 - Prob. 3BYMVCh. 17 - Prob. 4BYMVCh. 17 - Prob. 5BYMVCh. 17 - Prob. 6BYMVCh. 17 - Prob. 7BYMVCh. 17 - Prob. 8BYMVCh. 17 - Prob. 9BYMVCh. 17 - Prob. 10BYMVCh. 17 - Castration would lower a mans blood gonadotropin...Ch. 17 - Prob. 2WWTSCh. 17 - Prob. 3WWTSCh. 17 - Prob. 4WWTSCh. 17 - Prob. 5WWTSCh. 17 - The great majority of cases of diabetes mellitus...Ch. 17 - Prob. 7WWTSCh. 17 - A deficiency of dietary iodine would lead to...Ch. 17 - Prob. 9WWTSCh. 17 - Prob. 10WWTSCh. 17 - Prob. 1TYCCh. 17 - Suppose you were browsing in a health-food store...Ch. 17 - Prob. 3TYCCh. 17 - Prob. 4TYCCh. 17 - A young man is involved in a motorcycle accident...
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