Determine the allele frequencies

Assignment Help Biology

Reference no: EM1387768

Snouters are small critters that live on both sides of the Ohio River. A population on the north side of the Ohio River is fixed for an allele for blue feet. The population on the south side of the river is fixed for an allele for pink feet. Twenty blue-footed snouters from the north and 80 pink-footed snouters from the south colonize a newly formed island in the middle of the river. Please calculate the following.

A) What are the genotype frequencies at the time of colonization (Parental Generation, P1)? (Just the colonizers before reproduction)

B) What are the allele frequencies at the time of colonization (P1)? (Just the colonizers before reproduction, N = 100)

C) What are the genotype frequencies of the offspring of the next generation (First generation of offspring, F1 ), assuming random mating?

D) What are the allele frequencies of the offspring of the next generation (F1 )?

Heterozygotes have purple feet that are susceptible to snouter purple-foot fungus that sterilizes purple-footed snouters (They cannot reproduce). Assume that the F1 generation above are the parents for the next set of questions.

1) Calculate the allele frequencies of the parents that can breed (F1 with no purple footed individuals). Calculate the genotype and allele frequencies of the offspring (F2) in the second generation assuming random mating (Hint: The sum of the allele frequencies represented by the homozygotes are equal to 1, keep this in mind when you calculate the allele frequency of F1 as parents. It may help if you assume a population size for F1 prior to reproduction.)

2) Has evolution occurred? Why? If the purple foot fungus were to continue on this island for several generations, what color feet would most likely become fixed on the island and why?

Reference no: EM1387768

Questions Cloud

Discuss and define hypovolemic shock : Discuss and define hypovolemic shock. List signs and symptoms. What should the nurse evaluate regarding the postpartum patient's pulse rate?

Cardiovascular system : Discuss and define shock. Shock may occur by several pathways, but all types end up with the same basic problem - the cardiovascular system cannot supply enough O2 to cells.

Relative risk of cardiovascular disease : The 95 percent confidence interval for the relative risk of cardiovascular disease in the hormone group was 1.09 - 1.36

Female hormone supplements : For several years the benefits of routine use of female hormone supplements by postmenopausal women have been debated.

Determine the allele frequencies : Snouters are small critters that live on both sides of Ohio River. A population on the north side of the Ohio River is fixed for an allele for blue feet.

Discuss different models for dna replication : Discuss different models for DNA replication that were considered by early researchers. Describe why they settled on the current model for DNA replication.

Evolution of roots and simple vascular transport : Describe how the evolution of roots and simple vascular transport expanded the habitat of plants onto land.

Relationship of cardiac output and emax of left ventricle : Determine the relationship of cardiac output and Emax of the left ventricle in regards to heart failure?

Fibers of the facial nerve : The condition known as Bell's Palsy may result in drooping of the face. Typically, the condition is unilateral but in rare instances can be bilateral.

User Account

All Pages