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Hardy- Weinberg Equilibrium Problem Worksheet Name:______________________________________ Period:__________ Date:_________________ Directions: Read the preceding information about a specific population. Assume the population is in Hardy-Weinberg Equilibrium, and answer the following questions. Be sure to SHOW ALL your calculations work in order to get FULL credit. Questions 1 and2: In a given population of 200 humans on a remote Pacific Island, 98 individuals have the phenotype attached earlobes, a recessive genetic trait. Answer the following questions. 1.) What percentage of the population are homozygous dominant? A. 49% Show work here: B. 70% C. 30% D. 15% E. 9% 2.) What percentage of the population are heterozygous? A. 49% Show work here: B. 42% C. 21% D. 10% E. 81% Questions 3-4: In a given population of wild mustang horses, Brown hair (B) is dominant to blond hair (b). Within the population of mustangs, there are 168 brown haired mustangs out of a total population of 200. 3.) What is the predicted frequency of heterozygous mustangs? A. 16% Show work here: B. 40% C. 36% D. 48% E. 81% 4.) What is the predicted frequency of Homozygous brown mustangs? A. 16% Show work here: B. 42% C. 36% D. 64% E. 81% Questions 5-7: In a given population of Vietnamese pot belly pigs, out of the 150 pigs their exists 180 alleles for the recessive trait blue eyes. 5.) What is the recessive allele frequency for the population? A. .1 Show work here: B. .3 C. .5 D. .6 E. .9 6.) What is the expected number of pigs with the blue eyes with in the population? A. 24 Pigs Show work here: B. 54 Pigs C. 60 Pigs D. 82 Pigs E. 100 Pigs 7.) What is the heterozygous frequency within the population? A. 21% Show work here: B. 50% C. 48% D. 64% E. 10% Questions 8-10: Within a given population of 4000 Vampire bats in Africa, the dominant allele frequency for long ear hairs is .2. 8.) What is the allele frequency for the recessive allele? A. .1 Show work here: B. .3 C. .5 D. .7 E. .8 9.) What is the frequency of heterozygous bats within the population? A. 16% Show work here: B. 32% C. 64% D. 75% E. 80% 10.) What are the predicted population numbers for the population above? Homozygous Dominant Bats __________ Show work here: Homozygous Recessive Bats __________ Heterozygous Bats __________ Dominant Alleles ___________ Recessive Alleles ____________ 11.) What are the five conditions that must exist for a population to be considered in Hardy-Weinberg Equilibrium? 1. 2. 3. 4. 5.