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Harris 1966 measured the number of genotypes at the alkalinephosphate locus in the English population. There are three alleles,designated F, I, and S (for fast, intermediate,and slow mobility inan electropheritc apparatus)

1.) What are the Hardy-Weinberg equilibrium frequencies of thegenotypes?

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Irving Heathcote
Irving HeathcoteLv2
28 Sep 2019

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Related questions

in pacific white shrimp, the M1 locus affects survival. let's assume there are two possible alleles at this locus: M1A and M1B. in a captive population, genotypes frequencies are: M1AM1A = 0.3, M1AM1B = ?, and M1BM1B = 0.3. is the M1 locus of this population in hardy-weinberg equilibrium? show your work

Under the Hardy-Weinberg model, a population will reach Hardy-Weinberg frequencies in a single generation. This model assumes that genotype frequencies are the same in both sexes: Consider a situation where this is not the case. A researcher creates a new Drosophila population by selecting 2000 males from a stock population fixed for the dominant A allele at a neutral locus A and 2000 females from a different stock population fixed for the recessive a allele at the A locus. The A allele is located on an autosome, not a sex chromosome. These individuals then mate among themselves.

a) Assuming that there is no mutation, what genotype frequencies will be observed in the first offspring generation?

b) How long will it take this population to reach Hardy-Weinberg proportions?

c) Explain why this population took two generations instead of one to reach Hardy-Weinberg equilibrium.

Consider a single locus with three alleles: A1, A2, and A3.

1) Write down all of the diploid genotypes possible at this locus.

2) Derive the equation for the frequency of allele A1 as a function of the genotype frequencies.

Consider the following two datasets:

At the M locus:

In a study of 1000 adults, the following genotype numbers were found:

M1M1 - 213 individuals

M1M2 - 489 individuals

M2M2 - 298 individuals

At the S locus:

In a study of 4555 adults, the following genotype numbers were found:

S1S1 - 3564 individuals

S1S2 - 979 individuals

S2S2 - 12 individuals

Assignment: For both loci

Calculate the frequency of the alleles.

Calculate expected number of each genotype if the population were in Hardy-Weinberg equilibrium.

Identify which locus most clearly violates at least one of the H-W assumptions

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