Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 16.2, Problem 2TC
Explain how the distribution of genotypes in generation 2 is calculated.
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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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- In the F1 generation of a rabbit population, the following results were obtained:3/8 black, long hair3/8 black, short hair1/8 brown, long hair1/8 brown short hairwhat were the parents genotypes?arrow_forwardWhat is the expected total time of the coalescent (TC) for a sample of 3 alleles? If there were 5 generations per year and an N of 100, what would be the (TC) in years?arrow_forwardHow is the gene pool of a Mendelianpopulation usually described?arrow_forward
- Comparisons of Two-Point Crosses Establish Relative Gene Positionsarrow_forwardExplain why the value of the recombination frequencybetween any two genes is limited to 50%.arrow_forwardConsider a situation where F1 is backcrossed with one of its parental lineage and we obtained A1H1/A2H2 : A2H1/A2H2 : A2H2/A2/H2: A1H2/A2H2 = 295 : 186 : 310 : 209, where A1 and A2 are alleles at a locus and H1 and H2 are alleles at the other locus. What is the recombination (genetic) distance between the two loci in centimorgans? A. 8.9 B. 22.5 C. 18.4 D. 50 E. 39.5arrow_forward
- Explain why a 50 percent recovery of single-crossover products is the upper limit, even when crossing over always occurs between two linked genes?arrow_forwardExplain how Recombination Frequency Reflects the Distance Between Two Genesarrow_forwardA neutral mutation arises in a diploid population of 10,000 individuals. Use this information to answer the following questions. a) What is the probability that the neutral allele goes to fixation? b) Assuming that the neutral mutation eventually goes to fixation, what is the expected time to fixation (in generations)?arrow_forward
- What is the expected frequency of the AB genotype in the next generation? (assume Hardy-Weinberg) Genotype Frequency AA .2 AB .2 BB .6arrow_forwardWhat is the frequency of the heterozygous genotype if the homozygous genotype frequencies are 0.1385 (BB) and 0.5897 (bb)?arrow_forwardConsidering a pair ofhomologous chromosomescontaining a gene having twodifferent alleles how manydifferent genotypes can theindividual present?arrow_forward
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