Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 16, Problem 1RQ
What is a gene pool? How would you determine the allele frequencies in a gene pool?
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Chapter 16 Solutions
Biology
Ch. 16.1 - define evolution in terms of concepts from...Ch. 16.1 - define equilibrium population and describe the...Ch. 16.2 - If it were true that mutations do occur in...Ch. 16.2 - Explain how the distribution of genotypes in...Ch. 16.2 - A flu vaccination stimulates your immune system to...Ch. 16.2 - Prob. 3TCCh. 16.2 - If a population grows large again after a...Ch. 16.2 - Prob. 5TCCh. 16.2 - Evolution of a Menace The mutant alleles that...Ch. 16.2 - describe how mutation, gene flow, genetic drift,...
Ch. 16.3 - A team of phys clans treated four patients with...Ch. 16.3 - If we studied a population of bighorn sheep and...Ch. 16.3 - When selection is directional, is there any limit...Ch. 16.3 - describe why selection of phenotypes can affect...Ch. 16.3 - explain how competition and predation influence...Ch. 16.3 - Prob. 3CYLCh. 16.3 - compare and contrast directional selection,...Ch. 16.3 - Microbiologists have discovered that alleles...Ch. 16 - The alleles responsible for antibiotic resistance...Ch. 16 - Stabilizing selection on a trait tends to a. make...Ch. 16 - An adaptation is a. any trait that arises from a...Ch. 16 - Which of the following statements about mutations...Ch. 16 - Genetic drift occurs a. when different phenotypes...Ch. 16 - The ______ provides a simple mathematical model...Ch. 16 - Different versions of the same gene are called...Ch. 16 - An organisms ______ refers to the specific alleles...Ch. 16 - A random form of evolution is called ________....Ch. 16 - Competition is most Intense between members of...Ch. 16 - The evolutionary fitness of an organism is...Ch. 16 - What is a gene pool? How would you determine the...Ch. 16 - Define equilibrium population. Outline the...Ch. 16 - How does population size affect the likelihood of...Ch. 16 - If you measured the allele frequencies of a gene...Ch. 16 - People like to say that you cant prove a negative....Ch. 16 - Describe the three ways in which natural selection...Ch. 16 - What is sexual selection? How is sexual selection...Ch. 16 - In North America, the average height of adult...Ch. 16 - By the 1940s, the whooping crane population had...
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- If 90 out of 200 individuals in a population express the recessive phenotype, what is the frequency of the recessive allele?If 90 out of 200 individuals in a population express the recessive phenotype, what proportion of the population are expected to be heterozygotes?arrow_forwardWhat is allele frequency? How do you get the allele frequency? Give formula and cite example. Give factors that affect allele frequency.arrow_forwardGiven a population of 100 individuals where 15 are AA, 25 are Aa, and 60 are aa, what is the frequency of allele "A"and the frequency of allele "a"arrow_forward
- Suppose in a certain population there are 100 individuals homozygous for the A1 allele, 400 individuals homozygous for the A2 allele, and 500 heterozygous individuals. What are the genotype frequencies? What are the allele frequencies?arrow_forwardA particular deer population has 50 M individuals, 30 MN individuals, and 70 N individuals. What are the allele frequencies?arrow_forwardIf 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population are heterozygotes?arrow_forward
- How would you calculate the allele frequencies fora two-allele trait in a population if given the genotypefrequencies?arrow_forwardIf there are 350 AA homozygotes, 75 AS heterozygotes, and 40 SS homozygotes in a population, how many A alleles are there? How many S alleles are there? What are their allele frequencies? Round to four decimal points.arrow_forwardWhat is outgroup analysis?arrow_forward
- Why is genetic variability necessary in a population? What can happen if genetic variability is reduced?arrow_forwardDoes inbreeding affect allele frequencies? Why or why not? How does it affect genotype frequencies? With regard to rare recessive diseases, what are the consequences of inbreeding in human populations?arrow_forwardIf the number of T alleles is 425 and the number of t alleles is 225, what is the allele frequency of each population? What is the total allele frequency in both populations?arrow_forward
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