30. What is a gene? (2)
30. What is an allele? (2)
31. What do genes do? (2)
32. What is Mendels law of independent assortment? (2)
33. What is Mendels law of segregation? (2)
Bonus: Use the data below to map the restriction cut sites on the plasmid. (+5)
26. Each somatic cell contains a copy of an individuals entire genome. The entire genome is by no means u
#44Bonus: You are studying a quantitative character, height in marsh grasses. You have determined that this
characteristic is due to an additive interaction between two genes. Individuals that are AA:BB are 20 cm tall while
individuals with the genotype a
#31-43Match the correct definitions on the right to the terms on the left. (1 each)
Gap gene _
P granules _
Maternal imprinting _
Sister chromatids _
Balancing Selection _
Genetic Drift _
29. You are studying a population of killifish that show continuous distribution in length between 2 cm and 10 cm. You have
determined that length is affected by two genes, each with two alleles and an additive effect on length (length increases the
e. all are equally common
19. In conducting a common garden experiment with ragweed plants from two populations you calculate phenotypic and
genotypic variance estimates on plant height. What is the broad sense heritability of plant height in population 1
12. A mutation in the I gene of the lac operon results in production of a protein that can bind to lactose but not to the O
region. Which of the following would describe the transcription of the structural genes (Z, Y & A) of the lac operon?
a. the genes
Genetics PCB 3063C
Final Exam Spring 2007
1. What is the chemical composition of chromosomes?
d. both a and b
e. both a and c
2. How many different gametes will be made by an individual with the following multi-locus ge
the 53 direction. The mRNA molecule in prokaryotes begins translation before it has even completed
transcription; it is translated into a polypeptide with the help of rRNA (and their respective ribosomes) and
tRNAs. The 2 subunits of the ribosome sandwich
1. Who is considered the Father of Genetics?
Thomas Hunt Morgan
Matt Whos Your Daddy Gilg
2. What is the chemical composition of chromosomes?
28. Use the five DNA sequences shown below to determine the evolutionary relationships of the
organisms. Use the UPGMA method to build a phylogenetic tree. (5)
27. You are studying a population of killifish that show continuous distribution in length between
2 cm and 10 cm. You have determined that length is affected by two genes, each with two alleles
and an additive effect on length (length increases the same
25. A female is heterozygous for the hb-m gene which is a maternal effect gene that sets up
concentration gradients during Anterior-Posterior development. The female contains one
functional copy of hb-m and one non-functional copy. Functional copies show
22. You are a cattle breeder interested in decreasing the fat content of your cattle population.
Currently, fat content is a continuously distributed trait with a mean of 9.1% and the variances
shown below. You pick a group of breeders that have a mean fa
17. What is the key gene that, when expressed, will cause a Drosophila to develop into a female?
B X -C
None of the above
18. In humans, a protein encoded by gene A on chromosome 13 binds to a region upstream from
gene B on ch
11. Which of the following evolutionary processes can constrain (limit) population divergence?
both b and c
none of the above
12. Which of the following techniques can be used to quantify RNA expression fro
Use the following data set to answer questions 6-10.
A 1A 1
A 1A 2
A 2A 2
Number of Individuals
6. What is the allele frequency of A1 in this population?
7. What is the expected numb
Final Exam, Spring 2008
1. How many possible allelic combinations are there for 6 independently assorted genes each
with two different alleles?
2. You cross two pure breeding lines of flies, one with normal wings and
Bonus: You are studying a quantitative character, height in marsh grasses. You have determined that
this characteristic is due to an additive interaction between two genes. Individuals that are AA:BB are 30
cm tall while individuals with the genotype aa:b