In a given population on a distant planet, there are 20 red, 25 orange, and 15 yellow creatures. Use Hardy-Weinberg equations and a chi square analysis to determine whether or not this population is in Hardy-Weinberg equilibrium. Show all work. Be sure to state a null hypothesis and explain your conclusion.

Given that it is unlikely a population will meet all of the assumptions of the Hardy-Weinberg Equilibrium, explain why we use it to understand evolution in a population

In a dense forest, a population of squirrels has been observed for their fur color. The fur color is determined by a single gene with two alleles: B (black) and b (brown). In a sample of 100 squirrels, you observed 30 black (BB), 50 black-brown (Bb), and 20 brown (bb) individuals. Determine if this population is in Hardy-Weinberg equilibrium and show your work.

If 80% of a population has a heterozygous phenotype, and 16% of that population shows arecessive phenotype, is that population in Hardy-Weinberg equilibrium? In other words, doesthe population obey the rules of H-W? Perform a statistical analysis to determine your finalanswer.

Suppose you counted 79 R_ and 33 rr. The total number of individuals you counted, N, is 112. You expect 3/4 to be R_ (84) and 1/4 to be rr (28). Are your results close enough to these ratios for you to accept the null hypothesis—that there is no real difference? a, do a punnett square b. conclusion/answer

A population of squid has 50 AA individuals, 20 Aa individuals, and 30 aa individuals.  (a) Calculate the observed f(A) and f(a) for this population. Show your work and clearly indicate your final answers.     (b) Calculate the observed f(AA), f(Aa), and f(aa) for this population. Show your work and clearly indicate your final answers.     (c) Calculate the expected genotype frequencies if the population is in Hardy-Weinberg equilibrium. Show your work and clearly indicate your final answers.     (d) Does this population appear to be in Hardy-Weinberg equilibrium? Why or why not? Be specific in your explanation.

Suppose that a certain population of salamanders shows (by electrophoretic analysis) genetic variation for a certain enzyme, and that the enzyme appears to be coded by a single gene with two alleles (Ef, Es). Also suppose that the frequency of the two alleles in the population are estimated as p = frequency of Ef = 0.60, q = frequency of Es = 0. 40. Assuming that the population is in Hardy-Weinberg Equilibrium (i.e., all the assumptions of the Hardy-Weinberg model are met), estimate the expected frequency of all possible genotypes in the population.

Sandra conducts a statistical test to compare two groups of data and finds a p-value of 0.023. What does this suggest about her hypothesis?

In a population where the proportion of individuals who are suspects to malaria (genotype HbA/HbA) is 0.31, and the population is assumed to be at Hardy Weinberg equilibrium what proportion of the population should be heterozygous HbA/HbS?

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