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- mating population of chickens, 16 percent of the herd have green wattles (those neck flaps). Green is the autosomalrecessive (r) and 84 percent have Yellow wattles (R, the wildtype) If this population is assumed to be in Hardy-Weinberg equilibrium, what is the genotypic frequencies of RR and Rr?What is the genotypic frequency of RR? Leave answers as 2 decimals5. In a population genetic study of a species of California wild oat, the following genotype frequencies were found for a trait (hairiness of the leaf sheath) which is controlled by a single locus: HH 0.571 Hh 0.071 hh 0.358 a) What are the expected frequencies of these genotypes under Hardy-Weinberg? b) Calculate F. c) Briefly explain what the value in b) implies regarding heterozygosity and suggest what might be going on in this population to explain this result.Hardy-Weinberg Problems Please be sure to SHOW ALL WORK in order to get credit. This assignment will be graded for accuracy. *Hint: Remember what p and q represent. Determine first if I am asking for allele frequency or genotype/phenotype frequency. Then determine which equation is appropriate. What does p and q represent in the equations? Which equation do you use if I am asking for allele frequency? If the frequency of the recessive allele is 0.1, what is the frequency of the dominant allele? If the frequency of the dominant allele is 0.4, what is the frequency of the recessive allele? If the frequency of the dominant allele is 0.6, what is the frequency of the homozygous dominant genotype? If the frequency of the homozygous recessive genotype is 0.81, what is the frequency of the recessive allele? If the frequency of the homozygous dominant genotype is 0.25, what is the frequency of the dominant allele? If the frequency of the…
- 1.) Is it possible to directly count the numbers of phenylketonuria carriers in a population? Why or why not? 2.) Is it possible to calculate any of the genotype frequencies in a population just by counting? If so, which one(s)?Question:- Consider selection on two traits. The selection gradient on trait 1 is -0.2, and the selection gradient on trait 2 is 0.25. The additive genetic variance of traits 1 and 2 is 0.53 and 0.42, respectively, and they have a genetic covariance of 0.2. Round all answers to 3 decimal places. a) What will be the predicted evolution response of each trait? b) What would the predicted evolutionary response be if the covariance was 0? c) How does the genetic covariance between the traits influence evolution?Any help? Pls with the boxes in red and this is dealing with Hardy -Weinberg equilibrium
- Three linked loci A, B, C (each with two alleles as in Question 2) in a random mating population havethe gametic frequencies as shown below. Calculate the linkage disequilibium D/Dmax between eachpair of loci. Explain why the results seem paradoxical. [based on Hartl 3rd ed. Q1.15 – try on yourown before checking the answer, and show your calculations for D and Dmax]Gamete ABC ABc AbC Abc aBC aBc abC abcFrequency 0.25 0 0.25 0 0 0.25 0 0.25 respectively1. Widow's peak allele (W) is dominant to straight hair line (allele w). In a population of 1000, there are 760 persons with widow's peak. a. What is the frequency of genotype WW? b. What is the frequency of the heterozygotes?1. n= 153 for BB allele. Bb, n=44, bb n=3. Is the locus in Hardy-Weinberg equilibrium, and what's the expected and observed frequency of each?
- Allele frequencies: p+q = 1 Genotype frequencies: p2 + 2pq + q2 = 1_________________________________________________ 1. If 9% of an African population is born with a severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous(Ss) for the sickle-cell gene? 2. This is a classic data set on wing coloration in the scarlet tiger moth (Panaxia dominula). Coloration in this species had been previously shown to behave as a single-locus, two-allele system with incomplete dominance. Data for 1612 individuals are given below: White-spotted (AA) =1469 Intermediate (Aa) = 138 Little spotting (aa) =5 Calculate the following frequencies: A=, a=, AA=, Aa=, aa=75. Under the conditions of the Hardy-Weinberg equilibrium, what term in the equilibrium equation represents the expected genotype frequency for homozygous recessive individuals? p2 2pq 2p+q p2+2pq+q2 q21. In a population where the frequency of white flowers was 16%, what % of the individuals would you expect to be heterozygous? 2. In a population where the frequency of white flowers was 16%, what % of the individuals would you expect to be homozygous dominant?