Lab- Classification of Organisms
Pre Lab Questions
1. What are the three domains of life? Provide the domain name and basic characteristics for each.
2. List the 4 Kingdoms of the Eukaryotic Domain and their basic characteristics.
3. What is the difference between a heterotroph and an autotroph?
Post Lab Questions
1. In a population of 100 flies you gathered the following information: 15 Homozygous Black, 30 Heterozygous Black, 55 Homozygous Brown. Using this information fill in the chart below and answer the questions
Genotype
|
Number in
Population
|
Total # B
alleles
|
Total # b
alleles
|
BB
|
|
|
|
Bb
|
|
|
|
bb
|
|
|
|
totals
|
|
|
|
2. What percentage of the population is phenotypically Black? Explain your answer.
3. Calculate the actual allele frequency of B. Provide a full explanation of your work .
4. Explain the concept of non-random mating.
5. Does non random mating increase or decrease the genetic diversity of a population. Explain your answer.
6. List the Hardy Weinberg principles.
7. What happens to the allele frequencies of a population if all Hardy Weinberg principles are met?
8. Which genotype (homozygous dominant, heterozygous, homozygous recessive) is known just by their phenotype? Why?