Two hypothetical lizard populations found on opposite sides of a mountain in the Arizonan desert havetwo alleles (AF, AS) of a single gene A with the following three genotype frequencies:AFAF AFAS ASASPopulation 1 38 44 18Population 2 0 80 20a. What is the allele frequency of AFin the twopopulations?b. Do either of the two populations appear to be atHardy-Weinberg equilibrium?c. A huge flood opened a canyon in the mountainrange separating populations 1 and 2. They werethen able to migrate such that the two populations, which were of equal size, mixed completelyand mated at random. What are the frequenciesof the three genotypes (AFAF, AFAS, and ASAS) inthe next generation of the single new populationof lizards?

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter19: Evolutionary Change In Populations
Section: Chapter Questions
Problem 3TYU: The MN blood group is of interest to population geneticists because (a) people with genotype MN...
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Two hypothetical lizard populations found on opposite sides of a mountain in the Arizonan desert have
two alleles (AF
, AS
) of a single gene A with the following three genotype frequencies:
AF
AF AF
AS AS
AS
Population 1 38 44 18
Population 2 0 80 20
a. What is the allele frequency of AF
in the two
populations?
b. Do either of the two populations appear to be at
Hardy-Weinberg equilibrium?
c. A huge flood opened a canyon in the mountain
range separating populations 1 and 2. They were
then able to migrate such that the two populations, which were of equal size, mixed completely
and mated at random. What are the frequencies
of the three genotypes (AF
AF
, AF
AS
, and AS
AS
) in
the next generation of the single new population
of lizards?

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