How many generations had at least one individual

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Reference no: EM131797788

Exercise 1

1. "In nature, populations evolve, and individuals do not." Explain this statement.

2. According to your predictions in Data Table 3, what percent of the population would be expected to exhibit brown fur? White fur? According to the data you recorded in Data Table 4, what average percent of the population did you actually observe with brown fur? White fur?

3. List the assumptions of the Hardy-Weinberg Equilibrium Principle. Describe why the principle was or was not supported by the model population.

4. State the Hardy-Weinberg Equation and describe how the equation was utilized in Exercise 1.

Data Table 1: Preliminary Analysis of the Population

How many alleles does a diploid organism have?

 

How many diploid individuals exist in the population?

 

What is the allelic frequency of B (p) in the gene pool?

 

What is the allelic frequency of b (q) in the gene pool?

 

Data Table 2: Descriptions of Genotype and Phenotype of Individuals

Description

Genotype

Color of Each of 2 Beans

Phenotype

Homozygous dominant

 

 

 

Heterozygous

 

 

 

Homozygous recessive

 

 

 

Data Table 3: Expected Genotypic Frequency and Number

Expected Data

Genotype

BB (p2)

Bb (2pq)

bb (q2)

Expected Frequency

 

 

 

Expected Frequency

 

 

 

Data Table 4: Sampling with Replacement

Generation

Genotypic Number

Allelic Number

Genotypic Frequency

Allelic Frequency

BB

Bb

bb

B

b

p2

2pq

q2

p

q

1

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

Average

 

 

 

 

 

 

 

 

 

 

Exercise 2

1. Of 10 total generations, how many generations had at least one individual with the white phenotype?

2. Was the allele for white fur ever fully eliminated from the gene pool of the population? Explain why you think the allele would or would not eventually be eradicated from the population.

3. Using the graph in Graph 1, describe the trends in the genotypes as generations passed. Did genotype numbers change more drastically in early generations or later generations?

4. At what generation (if any) did you first observe no homozygous recessive individuals?

5. How is it that a generation of foxes that all have brown fur could give birth to some foxes with white fur? Did this occur in your population? If so, list the generations that included brown individuals that gave birth to white individuals.

6. Which assumptions of the Hardy-Weinberg Principle were upheld in Exercise 2, and which were not?

7. Explain how evolution was observed in the model population in Exercise 2. If evolution had not been observed, how might the graph in Graph 1 look?

8. Consider how the gene pool of the population might have changed, if, during the winter months, the third generation had unexpectedly high amounts of snowfall. How would the graph in Graph 1 reflect this change?

Data Table 5: Sampling without Replacement

Generation

Starting Allelic Frequency

Starting Allelic Number

Genotypic Number

Final Genotypic Frequency

Final Allelic Number

p

q

B

b

BB

Bb

Deaths (bb)

p2

2pq

q2

B

b

1

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

Average

 

 

 

 

 

 

 

 

 

 

 

 

Verified Expert

The assignment is dealt with many different numerical of genetics. This assignment is beneficial for genetics and population ecology students. Hardy Weinberg principle is the main content of this assignment. The assignment is prepared on Microsoft office word and Microsoft excel. This assignment is beneficial for statistics, genetics and ecology students.

Reference no: EM131797788

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