ANATOMY&PHYSIOLOGY:INTER.APPR.ACCESS
4th Edition
ISBN: 9781265348342
Author: McKinley
Publisher: MCG
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Chapter 5, Problem 4DYKB
____ 4. Which of the following is a correct statement about a simple epithelium?
- a. All of the cells are in direct contact with the basement membrane.
- b. It is designed for protection against mechanical abrasion.
- c. It is formed from multiple layers of cells.
- d. It may contain the protein keratin.
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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 5 Solutions
ANATOMY&PHYSIOLOGY:INTER.APPR.ACCESS
Ch. 5.1 - Why does an epithelium need to be highly...Ch. 5.1 - Why is an epithelium considered selectively...Ch. 5.1 - Prob. 3WDYLCh. 5.1 - Prob. 4WDYLCh. 5.1 - Prob. 5WDYLCh. 5.1 - What are the two basic parts of a multicellular...Ch. 5.1 - What are the differences between holocrine and...Ch. 5.2 - What are the basic functional differences between...Ch. 5.2 - Prob. 9WDYLCh. 5.2 - Prob. 10WDYL
Ch. 5.2 - Prob. 11WDYLCh. 5.2 - Prob. 12WDYLCh. 5.2 - Describe the composition and location of...Ch. 5.2 - Why is blood considered a connective tissue?Ch. 5.3 - Compare and contrast the structure of skeletal and...Ch. 5.4 - What is the difference between a neuron and a...Ch. 5.5 - Prob. 17WDYLCh. 5.5 - What are the differences between the parietal and...Ch. 5.6 - What are the three primary germ layers, and when...Ch. 5.6 - What is the difference between metaplasia,...Ch. 5.6 - How do epithelia and connective tissue change when...Ch. 5 - ____ 1. Which tissue contains a calcified ground...Ch. 5 - Which of the following is a characteristic of...Ch. 5 - ____ 3. __________ membranes line body cavities...Ch. 5 - ____ 4. Which of the following is a correct...Ch. 5 - ____ 5. All of the following are characteristics...Ch. 5 - Prob. 6DYKBCh. 5 - ____ 7. Which tissue type is formed from mesoderm?...Ch. 5 - ____ 8. Which muscle type consists of long,...Ch. 5 - ____ 9. Which epithelial tissue type lines the...Ch. 5 - ____ 10. A gland that releases its secretion by...Ch. 5 - What are some characteristics of all types of...Ch. 5 - Describe the two main criteria by which epithelia...Ch. 5 - Prob. 13DYKBCh. 5 - Prob. 14DYKBCh. 5 - Name the four types of body membranes, and cite a...Ch. 5 - What characteristics are common to all connective...Ch. 5 - What are the main structural differences between...Ch. 5 - In what regions of the body would you expect to...Ch. 5 - What are the similarities and differences between...Ch. 5 - What is the difference between neurons and glial...Ch. 5 - John is a 53-year-old construction worker who has...Ch. 5 - Your optometrist shines a light in your eye and...Ch. 5 - During a biology lab, Erin used a cotton swab to...Ch. 5 - During a biology lab, Erin used a cotton swab to...Ch. 5 - During a biology lab, Erin used a cotton swab to...Ch. 5 - Prob. 1CSLCh. 5 - Your father is suffering from a painful knee...Ch. 5 - Prob. 3CSL
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