Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 23, Problem 4IQ
Practice using the Hardy-Weinberg equation so that you can easily determine genotype frequencies from allele frequencies, and vice versa.
- a. The allele frequencies in a population are A = 0.6 and a = 0.4. Predict the genotype frequencies for the next generation.
AA ____ Aa ____ aa ____
- b. What would the allele frequencies be for the generation you predicted in part a?
A ____ a ____
- c. Suppose you are able to determine the actual genotype frequencies in the population and find that these frequencies differ significantly from what you predicted in part a. What would such results indicate?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
You are surveying population genetics of snails while studying abroad in New Zealand. At your locus of interest, you have AA: 32 Aa:46 aa: 22. Identify the statement that accurately describes this population.
a.
The genotype frequency of AA is 0.77.
b.
The frequency of the A allele is 0.45.
c.
The genotype frequency of the heterozygotes is 0.45.
d.
The frequency of the a allele is 0.23.
A population of birds may have red feathers Show work here: (the dominant phenotype) or orange feathers (the recessive phenotype). Red feathered birds have the genotype RR or Rr. Orange feathered birds have the genotype r. The fequency of the RR genotype is 46.
a. What is the frequency of heterozygous birds?
b. What is the frequency of the R allele?
c. What is the frequency of the r allele?
A population of mice contains 20 animals Show work here: with white tails and 30 animals with grey tails. Grey tails are the dominant trait.
a. What is the frequency of the white allele?
b. What is the frequency of the grey allele?
c. What is the frequency of heterozygotes?
d. What is the frequency of mice homozygous for the grey allele?
Chapter 23 Solutions
Study Guide for Campbell Biology
Ch. 23 - a. What is a major source of genetic variation for...Ch. 23 - In a population of 200 mice, 98 are homozygous...Ch. 23 - Use the allele frequencies you determined in...Ch. 23 - Practice using the Hardy-Weinberg equation so that...Ch. 23 - Prob. 5IQCh. 23 - Why hasnt the highly deleterious sickle-cell...Ch. 23 - a. What is Hardy-Weinberg equilibrium? b. Define...Ch. 23 - Prob. 2SYKCh. 23 - Prob. 1TYKCh. 23 - Prob. 2TYK
Ch. 23 - Prob. 3TYKCh. 23 - Prob. 4TYKCh. 23 - Mice have an estimated 1,000 olfactory receptor...Ch. 23 - Prob. 6TYKCh. 23 - If a population has the following genotype...Ch. 23 - In a population with two alleles, B and b, the...Ch. 23 - Prob. 9TYKCh. 23 - Prob. 10TYKCh. 23 - In a random sample of a population of shorthorn...Ch. 23 - Genetic drift is likely to be seen in a population...Ch. 23 - Porphyria variegata is a genetic disease...Ch. 23 - Cystic fibrosis is a very serious genetic disorder...Ch. 23 - Prob. 15TYKCh. 23 - Prob. 16TYKCh. 23 - Prob. 17TYKCh. 23 - Prob. 18TYKCh. 23 - Prob. 19TYKCh. 23 - Prob. 20TYKCh. 23 - Prob. 21TYK
Additional Science Textbook Solutions
Find more solutions based on key concepts
Identify each of the following reproductive barriers as prezygotic or postzygotic. a. One lilac species lives o...
Campbell Essential Biology with Physiology (6th Edition)
11. In the early 1800s, French naturalist Jean Baptiste Lamarck suggested that the best explanation for the rel...
Campbell Biology: Concepts & Connections (9th Edition)
How does trandlation differ from transcription?
Microbiology: Principles and Explorations
Define histology.
Fundamentals of Anatomy & Physiology (11th Edition)
A student moving out of a dormitory crouches in correct fashion to lift a heavy box of books. What prime movers...
HUMAN ANATOMY
Some species of bacteria that live at the surface of sediment on the bottom of lakes are capable of using eithe...
Biology: Life on Earth with Physiology (11th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Place the steps for calculating predicted genotype frequencies in order from first to last. 1. Find p by subtracting p from 1. 2. Find q by taking the square root of q2. 3. Find q2. 4. Find 2pq by multiplying 2 times p times q. 5. Find p2 by squaring p.arrow_forward. A farmer have 2000 cows. A total of 1500 of the cows are browh coated and the rest are white coated. Allele B for the brown coat is dominant, while allele b for the white coat is recessive: Assume that the population of the cows is at genetic equilibrium and bred randomly. Calculate the frequency for the dominant and recessive alleles of the population. i. Calculate the genotype frequencies in the F1 generation if the cows are left to breed randomly. ii. If the farmer adds another 1000 homozygous dominant brown cows into the populations, calculate the new dominant allele frequency. ii. iv. State three conditions for the Hardy Weinberg equilibrium to be achieved.arrow_forwardA wildflower normally bears blue flowers. Occasionally, plants with pink flowers are observed in wild populations. Flower color is controlled at a single locus, with the pink allele completely recessive to the blue allele. In one population, 25 pink flowers and 3291 blue flowers were found. a. Calculate the expected allele frequencies and genotype frequencies if the population were in HWE. b. The mean # of pods of these plants were examined. Assume that heterozygotes are as fit as homozygous blue, and that seeds from both pink and blue all suffer about the same mortality rate after germinating. Calculate the relative fitness of each genotype. c. Predict quantitatively the effect of natural selection on the frequencies of phenotypes in the next generation. Blue: mean # of plants: 19.33 # of plants: 39 Pink: mean # of plants: 13.08 # of plants: 24arrow_forward
- Population stratification can be tested by O a. using the Hardy-Weinberg equilibrium and a Chi-squared test to compare observed and expected allele frequencies O b. using the Hardy-Weinberg equilibrium and a Chi-squared test to compare observed and expected haplotypes O c. using the Hardy-Weinberg equilibrium and a Chi-squared test to compare observed and expected linkage disequilibrium O d. using the Hardy-Weinberg equilibrium and a Chi-squared test to compare observed and expected genotypesarrow_forwardA population of birds may have red feathers or orange feathers. Red feathered birds have the genotype RR or Rr. Orange feathered birds have the genotype rr. The frequency of the RR genotype is .46 a. What is the frequency of heterozygous birds? B. What is the frequency of the R allele ? C. What is the frequency of r allele?arrow_forwardA. Population 1 is in Hardy-Weinberg equilibrium; the frequency of allele A is 0.5. B. Two of the populations are not in Hardy-Weinberg equilibrium.arrow_forward
- Use the Punnett square on the homework to predict the offspring in a cross between a tall (T) pea plant (heterozygous) and a tall pea plant (heterozygous). What is the genotypic ratio of the offspring? O a. 1TT; 2Tt; 1tt b. 1TT; 3Tt; Ott c. 2TT; 1Tt; 1tt d. 0TT; 2Tt; 2tt QUESTION 9 Based on the Punnett square from the previous question, what is the phenotypic ratio? Tall (T) is dominant to short (t). O a. All tall plants b. All short plants O c. 1 tall: 3 short d. 3 tall: 1 shortarrow_forwardImagine a royal family that has high inbreeding. Their inbreeding coefficient (F) has been calculated to be 0.56. The allele frequency for A1 is 0.6. Calculate the genotype frequencies below. A1A1 A1A2 A2A2arrow_forwardIn a population of 200 mice, 98 are the homozygous dominant for brown fur (BB), 84 are heterozygous (Bb), and 18 are homozygous recessive for white fur (bb). a. The genotypes frequencies of this population arearrow_forward
- Match each word with the correct definition. theory scientific method genotype allele pleiotropy evolution A. change in allele frequencies in a population over time (one generation to the next) B. an organism's genetic makeup C. alternative versions of the same gene found on homologous chromosomes D. one gene influences several phenotypic expressions E. general explanatory framework based on well-tested hypotheses F.…arrow_forwarda. in a population with allele frequencies that are p=0.44 and q=0.54. How many homozygous recessive individuals would you expect? b. What are the allele frequencies in populations: AA: 14, Aa: 27, aa: 54? c. using the allele frequencies in part b, how many heterozygous individuals would you expect to find in a population of the same size in the next generation?arrow_forwardIf the frequency of allele 12 is 0.011, calculate the probability that any random person would be homozygous for allele 12. Show your work.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Mendelian Genetics and Punnett Squares; Author: Professor Dave Explains;https://www.youtube.com/watch?v=3f_eisNPpnc;License: Standard YouTube License, CC-BY
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY