Pearson eText Human Anatomy & Physiology -- Instant Access (Pearson+)
2nd Edition
ISBN: 9780136873822
Author: Erin Amerman
Publisher: PEARSON+
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Textbook Question
Chapter 16.3, Problem 5QC
What homeostatic imbalances may accompany hyperthyroidism and hypothyroidism?
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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 16 Solutions
Pearson eText Human Anatomy & Physiology -- Instant Access (Pearson+)
Ch. 16.1 - How do the endocrine and nervous systems differ in...Ch. 16.1 - Prob. 2QCCh. 16.1 - Prob. 3QCCh. 16.1 - What are the two major classes of hormones, and...Ch. 16.1 - 5. How do synergistic and antagonistic hormones...Ch. 16.1 - What is the half-life of a hormone, and how is it...Ch. 16.1 - 7. What are the three types of stimuli that...Ch. 16.1 - How is hormone secretion generally regulated?Ch. 16.2 - 1. How do the anterior pituitary and posterior...Ch. 16.2 - What is the hypothalamic-hypophyseal portal...
Ch. 16.2 - 3. What are the target tissues and effects of...Ch. 16.2 - What are the target tissues and effects of...Ch. 16.2 - Which gland produces ADH and oxytocin, and from...Ch. 16.2 - How does the hypothalamus control the secretion of...Ch. 16.2 - 7. What are the tropic hormones of the anterior...Ch. 16.2 - Describe the target tissues and effects of growth...Ch. 16.3 - 1. What are thyroid follicles and how are they...Ch. 16.3 - Prob. 2QCCh. 16.3 - What are the main functions of thyroid hormones?Ch. 16.3 - 4. How are thyroid hormones produced? How is this...Ch. 16.3 - 5. What homeostatic imbalances may accompany...Ch. 16.3 - What are the target tissues and effects of...Ch. 16.3 - Prob. 7QCCh. 16.4 - 1. What are the three zones of the adrenal...Ch. 16.4 - 2. What are the target tissues and effects of...Ch. 16.4 - 3. What are the target tissues and effects of...Ch. 16.4 - What two hormones are produced by the adrenal...Ch. 16.4 - What is the relationship between the adrenal...Ch. 16.5 - What are the main target tissues of glucagon? What...Ch. 16.5 - What are the main target tissues of insulin?Ch. 16.5 - What are the signs and symptoms of the two types...Ch. 16.5 - 4. How do glucagon and insulin work together to...Ch. 16.6 - Prob. 1QCCh. 16.6 - Prob. 2QCCh. 16.6 - Prob. 3QCCh. 16.6 - Prob. 4QCCh. 16.7 - Which hormones primarily control fluid...Ch. 16.7 - 2. What is the role of each of these hormones...Ch. 16.7 - Prob. 3QCCh. 16.7 - Prob. 4QCCh. 16.7 - Prob. 5QCCh. 16.7 - 6. What is the role of each hormone in the stress...Ch. 16 - Mark the following statements as true or false. If...Ch. 16 - Which of the following is not a potential effect...Ch. 16 - 3. Which of the following hormones is/are produced...Ch. 16 - How does ADH affect the amount of water in the...Ch. 16 - Prob. 5CYRCh. 16 - 6. List the target tissues and effects of the...Ch. 16 -
7. The thyroid gland consists of:
a. follicle...Ch. 16 - 8. Which of the following is not an effect of...Ch. 16 - 9. Mark the following statements as true or false....Ch. 16 - 10 Fill in the blanks: A rise in free and would...Ch. 16 - 11. Which of the following statements correctly...Ch. 16 -
12. Fill in the blanks: The outer part of the...Ch. 16 - Which of the following is not an effect of...Ch. 16 - 14. Cortisol is:
a. a potent inhibitor of the...Ch. 16 - 15. Describe the components of the...Ch. 16 - Which of the following hormones is not an integral...Ch. 16 - 17. Which of the following statements about the...Ch. 16 - Explain how insulin and glucagon are antagonists.Ch. 16 - Prob. 19CYRCh. 16 - Match the following hormones with their correct...Ch. 16 - Mark the following statements as true or false. If...Ch. 16 - Predict the effects of a pancreatic tumor that...Ch. 16 - Prob. 2CYUCh. 16 - 3. A patient has a brain tumor that necessitates...Ch. 16 - 1. Ms. Reczkiewicz has her thyroid gland removed...Ch. 16 - A new diet guru claims hypersecretion of cortisol...Ch. 16 - Lets say that the dietary supplement in question 2...Ch. 16 -
4. Mr. Montez is a patient with type I diabetes...Ch. 16 - Prob. 5AYKBCh. 16 - You have read that aldosterone causes sodium ion...
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