Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 21, Problem 7TYK
A population of mice is at Hardy–Weinberg equilibrium at a gene locus that controls fur color. The locus has two alleles, M and m. A genetic analysis of one population reveals that 60% of its gametes carry the M allele. What percentage of mice contains both the M and m alleles?
a. 60%
b. 48%
c. 40%
d. 36%
e. 16%
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
In a Hardy-Weinberg population with two alleles, G and g, that are in equilibrium, 40% of the alleles are recessive. What percentage of the population is homozygous for the dominant allele?
a. 9%
b. 36%
c. 70%
d. 60%
e. 30%
The dominant allele of the gene determines dark, the recessive - light color of human eyes. The concentration of this dominant
gene allele in a certain human population is 0.6. The percent of people with dark eyes in this population is the following:
Select one:
a. 100 %
O b. 90 %
c. 84 %
d. 64 %
e. 8%
A gene exists in two alleles designated D and d. If 48 copies of this gene are the D allele and 152 are the d allele, what is the allele frequency of D?
a. 0.24 c. 0.38
b. 0.32 d. 0.76
Chapter 21 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 21.1 - If a population of skunks includes some...Ch. 21.1 - Prob. 2SBCh. 21.1 - What factors contribute to phenotypic variation in...Ch. 21.2 - Prob. 1SBCh. 21.2 - Why is the Hardy-Weinberg principle considered a...Ch. 21.2 - Prob. 3SBCh. 21.3 - Which agents of microevolution tend to increase...Ch. 21.3 - Which mode of natural selection increases the...Ch. 21.3 - In what way is sexual selection like directional...Ch. 21.4 - How does the diploid condition protect harmful...
Ch. 21.4 - Prob. 2SBCh. 21.4 - Prob. 3SBCh. 21.5 - How can a biologist test whether a trait is...Ch. 21.5 - Why are most organisms adapted to the environments...Ch. 21 - The reason spontaneous mutations do not have an...Ch. 21 - The phenomenon in which chance events cause...Ch. 21 - Prob. 3TYKCh. 21 - Prob. 4TYKCh. 21 - Prob. 5TYKCh. 21 - Which of the following represents an example of...Ch. 21 - A population of mice is at HardyWeinberg...Ch. 21 - If the genotype frequencies in a population are...Ch. 21 - An Eastern European immigrant carrying the allele...Ch. 21 - If a storm kills many small sparrows in a...Ch. 21 - Prob. 11TYKCh. 21 - Discuss Concepts Many human diseases are caused by...Ch. 21 - Prob. 13TYKCh. 21 - Apply Evolutionary Thinking Captive breeding...Ch. 21 - Prob. 15TYKCh. 21 - Design an experiment to test the hypothesis that...Ch. 21 - Peter and Rosemary Grant of Princeton University...
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
- 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.arrow_forwardWhat is the percentage of people with light eyes in the population were the concentration of the allele which determines the dark eye color is 0,6? Select one: a. 16 % b. 24 % c. 36 % d. 48 % e. 84 %arrow_forwardIf blonde hair color is a recessive trait and one parent is heterozygous for the trait and the other parent is heterozygous for the trait, what are the chances that their offspring will have blonde hair?A. 25% (one in four)B 50% (two in four)C. 75% (three in four)D. 100% (four in four) Provide explanation or solutionarrow_forward
- When a plant breeder crossed two red roses, 78% of the offspring had red flowers and 22% had white flowers. According to these results, the allele for red flowers is most likely: A. Recessive B. Dominant C. Incompletely Dominant D. Influenced by multiple allelesarrow_forwardIn horses, tobiano is a white spotting pattern. The tobiano allele (T) is dominant over the non-tobiano (t) allele. In an ideal horse population exhibiting Hardy–Weinberg equilibrium, 350 horses out of 465 are non-tobiano. a. Calculate the number of homozygous dominant tobiano horses. Answer b. Calculate the number of heterozygous horses. Answer c. Calculate the number of tobiano horses in the population. Answer Express your answer rounded to the nearest whole number.arrow_forwardIn a population of red (dominant allele) or white flowers in Hardy–Weinberg equilibrium, the frequency of red flowers is 91%. What is the frequency of the red allele? a. 9% b. 30% c. 91% d. 70%arrow_forward
- In achondroplastic dwarfism, an autosomal dominant disease, the gene is lethal in homozygotes. If the frequency of the normal allele is 0.99, what is the heterozygote frequency? a. 0.01 b. 0.02 c. 0.98 d. 0.99 An autosomal recessive gene is lethal in homozygotes. In a population at Hardy- Weinberg equilibrium, how many generations will it take to eliminate the gene from the population a.100 b.It will not be eliminated from the population. c.1 d.25arrow_forwardSkin pattern in a new frog species is controlled by three alleles of the same gene. Two alleles, Green Spots and White Stripes, are codominant and are both recessive to Black. Which of the choices below includes ALL the phenotypes expected to exist in the frog population in the wild ? A. White Stripes, Green Spots, White Stripes and Green spots B. Green Stripes, White Spots and uniform Black C. Green spots, White Stripes, Green Spots and White Stripes, Uniform black D. Uniform Black, Black spots, White Stripes, Green Stripes and White spots E. White Stripes, Green Spots, Black Stripes, Black Spots, Green spots & white stripesarrow_forwardFor a simulated population in AlleleA1 to be in Hardy-Weinberg equilibrium, the mutation rate would need to be set at: A. 0. B. 0.1. C. 0.01. D. 0.001arrow_forward
- In chickens, black feathers (B) are dominant over white feathers (b). The sex ratio of chickens is 50:50.If two offspring result from the cross between a heterozygous hen and a heterozygous rooster, what is the probability both chicks will have the same homozygous dominant genotype (BB)? Select one: a. 0.250 b. 0.0625 c. 0.125 d. 0.500arrow_forwardAlbinism is due to a recessive allele of an autosomal gene. Let a represent the albino allele and A represent the normal non-albino allele. If one out of every 10,000 people were albino and assuming that the population is in Hardy-Weinberg equilibrium, A. what would be the phenotype frequencies of albino and non-albino ? B. what would be the allele frequencies of a and of A? C. what fraction of people can be expected to be of the genotype Aa? D. what fraction of people can be expected to be of the genotype AA?arrow_forwardA researcher performed a testcross with of an individual that was Dd Hh genotype. Which ratio would best represent the expected genotypic results from a data set of 400 offspring?The answer is D, but why?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:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & 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 & CompanyLaboratory 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