HOLE'S HUMAN ANAT&PHYS CONNECT ACC&PROC+
15th Edition
ISBN: 9781265160166
Author: SHIER
Publisher: MCG
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Chapter 19, Problem 32CA
Summary Introduction
Introduction:
The process of rapid and deep breathing is called as hyperventilation. It can be done voluntarily or could be the effect of emotional distress.
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In a natural population of outbreeding plants, the variance of the total number
of seeds per plant is 16. From the natural population, 20 plants are taken into
the laboratory and developed into separate true-breeding lines by self-
fertilization-with selection for high, low, or medium number of seeds-for 10
generations. The average variance in the tenth generation in each of the 20 sets
is about equal and averages 5.8 across all the sets. Estimate the broad-sense
heritability for seed number in this population. (4 pts)
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Question 1
In a population of Jackalopes (pictured below), horn length will vary between
0.5 and 2 feet, with the mean length somewhere around 1.05 feet. You pick
Jackalopes that have horn lengths around 1.75 feet to breed as this appears to
be the optimal length for battling other Jackalopes for food. After a round of
breeding, you measure the offsprings' mean horn length is 1.67. What is the
heritability of horns length (h2)? Is Jackalope horn length a heritable trait? (4
pts)?
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Frequency of
allele A1
Question 2
The graph below shows results of two simulations, both depicting the rise in
frequency of beneficial allele in a population of infinite size. The selection
coefficient and the starting frequency are the same, but in one simulation the
beneficial allele is dominant and in the other it is recessive. Neither allele is
fixed by 500 generations.
1.0
1
0.8
0.6
0.4
2
0.2
0
0
100
200 300
400
500
Generation
(a) Which simulation shows results for a dominant and which shows results for a
recessive allele? How can you tell? (4 pts)
(b) Neither of the alleles reaches fixation by 500 generations. If given enough
time, will both of these alleles reach fixation in the population? Why or why
not? (3 pts)
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Chapter 19 Solutions
HOLE'S HUMAN ANAT&PHYS CONNECT ACC&PROC+
Ch. 19 - Prob. 1PCh. 19 - 2 Which organs constitute the respiratory system?
Ch. 19 - Prob. 3PCh. 19 - What is the function of the cilia on the cells...Ch. 19 - Prob. 5PCh. 19 - Prob. 6PCh. 19 - What part of the respiratory tract is shared with...Ch. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10P
Ch. 19 - Prob. 11PCh. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Prob. 16PCh. 19 - What is the function of the serous fluid in the...Ch. 19 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Describe the events in inspiration.Ch. 19 - Prob. 21PCh. 19 -
22 What forces are responsible for normal...Ch. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - How is the total lung capacity calculated?Ch. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Prob. 30PCh. 19 - Prob. 31PCh. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Prob. 35PCh. 19 - Prob. 36PCh. 19 - Prob. 37PCh. 19 - Prob. 38PCh. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Prob. 41PCh. 19 - Prob. 42PCh. 19 - Prob. 43PCh. 19 - Prob. 44PCh. 19 - Prob. 45PCh. 19 - Prob. 46PCh. 19 - Prob. 47PCh. 19 - Prob. 48PCh. 19 -
49 How do alveoli change with age?
Ch. 19 - List the general functions of the respiratory...Ch. 19 - 2 Explain why oxygen is required at the cellular...Ch. 19 - Prob. 3CACh. 19 - Prob. 4CACh. 19 - Prob. 5CACh. 19 - Prob. 6CACh. 19 - Prob. 7CACh. 19 - Prob. 8CACh. 19 - Prob. 9CACh. 19 - Prob. 10CACh. 19 - Prob. 11CACh. 19 - Prob. 12CACh. 19 - Prob. 13CACh. 19 - Prob. 14CACh. 19 - Prob. 15CACh. 19 - Prob. 16CACh. 19 - Prob. 17CACh. 19 - Prob. 18CACh. 19 - Prob. 19CACh. 19 - Prob. 20CACh. 19 - Prob. 21CACh. 19 - Prob. 22CACh. 19 - Explain the mechanisms of coughing and sneezing,...Ch. 19 - Prob. 24CACh. 19 - Prob. 25CACh. 19 - Prob. 26CACh. 19 - Prob. 27CACh. 19 - Prob. 28CACh. 19 - Prob. 29CACh. 19 -
30 Describe the inflation reflex. (pp. 752-753)
Ch. 19 - Prob. 31CACh. 19 - Prob. 32CACh. 19 - Prob. 33CACh. 19 - Prob. 34CACh. 19 - Prob. 35CACh. 19 -
36 Describe how the blood carries oxygen. (p....Ch. 19 - Prob. 37CACh. 19 - Prob. 38CACh. 19 - Prob. 39CACh. 19 - Prob. 40CACh. 19 - Prob. 41CACh. 19 - Prob. 42CACh. 19 - Prob. 1IACh. 19 - Prob. 2IACh. 19 - Prob. 3IACh. 19 - Prob. 4IACh. 19 - Certain respiratory disorders, such as emphysema,...Ch. 19 - Prob. 6IACh. 19 - Prob. 7IA
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license