Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 18, Problem 32CTQ
A young woman has been experiencing unusually heavy menstrual bleeding for several years. She follows a strict vegan diet (no animal foods). She is at risk for what disorder, and why?
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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 18 Solutions
Anatomy & Physiology
Ch. 18 - Visit this site...Ch. 18 - Watch this video...Ch. 18 - Figure 18.13 Are you able to recognize and...Ch. 18 - View these animations...Ch. 18 - Which of the following statements about blood is...Ch. 18 - Which of the following statements about albumin is...Ch. 18 - Which of the following plasma proteins is not...Ch. 18 - Which of the formed elements arise from myeloid...Ch. 18 - Which of the following statements about...Ch. 18 - Interleukins are associated primarily with which...
Ch. 18 - Which of the following statements about mature,...Ch. 18 - A molecule of hemoglobin ________. is shaped like...Ch. 18 - The production of healthy erythrocytes depends...Ch. 18 - Aging and damaged erythrocytes are removed from...Ch. 18 - A patient has been suffering for 2 months with a...Ch. 18 - The process by which leukocytes squeeze through...Ch. 18 - Which of the following describes a neutrophil?...Ch. 18 - T and B lymphocytes ________. are...Ch. 18 - A patient has been experiencing severe, persistent...Ch. 18 - Thrombocytes are more accurately called ________....Ch. 18 - The first step in hemostasis is ________. vascular...Ch. 18 - Prothrombin is converted to thrombin during the...Ch. 18 - Hemophilia is characterized by ________....Ch. 18 - The process in which antibodies attach to...Ch. 18 - People with ABO blood type O ________. have both...Ch. 18 - Hemolytic disease of the newborn is a risk during...Ch. 18 - A patients hematocrit is 42 percent. Approximately...Ch. 18 - Why would it be incorrect to refer to the formed...Ch. 18 - True or false: The buffy coat is the portion of a...Ch. 18 - Myelofibrosis is a disorder in which inflammation...Ch. 18 - Would you expect a patient with a form of cancer...Ch. 18 - A young woman has been experiencing unusually...Ch. 18 - A patient has thalassemia, a genetic disorder...Ch. 18 - One of the more common adverse effects of cancer...Ch. 18 - A patient was admitted to the burn unit the...Ch. 18 - A lab technician collects a blood sample in a...Ch. 18 - Explain why administration of a thrombolytic agent...Ch. 18 - Following a motor vehicle accident, a patient is...Ch. 18 - In preparation for a scheduled surgery, a patient...
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