Essentials of Biology (5th International Edition)
5th Edition
ISBN: 9781259660269
Author: Sylvia S. Mader, Dr., Michael Windelspecht
Publisher: Mcgraw-Hill
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Chapter 25.5, Problem 18A
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Mean of breading parents = 70 inches
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You are studying a population of 100 flowers that has two alleles at a locus for
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genotype, 70 individuals with the BG genotype, and 15 individuals with the GG
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(a) What are the allele frequencies of B and G in the starting population? Show
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of seeds per plant is 16. From the natural population, 20 plants are taken into
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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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Chapter 25 Solutions
Essentials of Biology (5th International Edition)
Ch. 25.1 - Prob. 1LOCh. 25.1 - 2. Identify the organs of the human digestive...Ch. 25.1 - List the accessory organs of the digestive system,...Ch. 25.1 - Prob. 4LOCh. 25.1 - Prob. 1CYPCh. 25.1 - Prob. 2CYPCh. 25.1 - Prob. 3CYPCh. 25.1 - Prob. 4CYPCh. 25.1 - Prob. 5CYPCh. 25.1 - Prob. 2A
Ch. 25.1 - Prob. 3ACh. 25.1 - Prob. 4ACh. 25.1 - Prob. 5ACh. 25.2 - Prob. 1LOCh. 25.2 - Prob. 2LOCh. 25.2 - Prob. 1CYPCh. 25.2 - Explain why the term junk food may be...Ch. 25.2 - Prob. 3CYPCh. 25.2 - Prob. 6ACh. 25.2 - Prob. 7ACh. 25.2 - Prob. 8ACh. 25.3 - Prob. 1LOCh. 25.3 - 2. Explain the importance of fiber in the diet.
Ch. 25.3 - Prob. 3LOCh. 25.3 - List the dietary sources of proteinCh. 25.3 - Prob. 5LOCh. 25.3 - Define the term vitamin, and list the essential...Ch. 25.3 - Prob. 7LOCh. 25.3 - List the classes of nutrients, and give a source...Ch. 25.3 - Prob. 2CYPCh. 25.3 - Prob. 3CYPCh. 25.3 - Prob. 9ACh. 25.3 - Prob. 10ACh. 25.3 - Prob. 11ACh. 25.3 - Prob. 12ACh. 25.3 - Prob. 13ACh. 25.3 - Prob. 14ACh. 25.4 - 1. Explain the purpose of dietary guidelines.
Ch. 25.4 - Prob. 2LOCh. 25.4 - Prob. 3LOCh. 25.4 - Prob. 4LOCh. 25.4 - Prob. 1CYPCh. 25.4 - Summarize the information provided by MyPlate.Ch. 25.4 - Prob. 3CYPCh. 25.4 - Prob. 15ACh. 25.4 - Prob. 16ACh. 25.5 - Prob. 1LOCh. 25.5 - Prob. 2LOCh. 25.5 - Prob. 3LOCh. 25.5 - Prob. 4LOCh. 25.5 - Prob. 1CYPCh. 25.5 - Prob. 2CYPCh. 25.5 - Prob. 3CYPCh. 25.5 - Prob. 17ACh. 25.5 - Prob. 18ACh. 25 - Prob. 1BYBCh. 25 - Prob. 2BYBCh. 25 - Prob. S2.2BYBCh. 25 - Prob. S3.2BYBCh. 25 - Prob. S7.1BYBCh. 25 - Prob. 1TCCh. 25 - Prob. 2TC
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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) 12pt v Paragraph BI DI T² v ✓ B°arrow_forwardQuestion 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)? 12pt v Paragraph BIU A ✓arrow_forwardFrequency 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) 12pt Paragraph BIU AT2v Varrow_forward
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