Using the information presented in the figure above (where nuclear DNA was digested with MstII,
subjected to gel electrophoresis, and probed in a Southern blot with the indicated probe), which lane
probably had a DNA sample from a nonhuman source, at least partial homology to the beta-globin
gene, and a different arrangement of MstII restriction enzyme sites than found in humans?
a. 1
b. 2
c. 3
d. 4
e. 5
E
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Cytosine deamination is a common mutation that results in a cytosine being converted to a uracil. See Figure (a) below. During the processes of DNA repair and DNA replication, which of the following can occur?
Cytosine deamination can result in two different outcomes depending on the state of the cytosine. What will be an ideal response?
The movement of alleles from one population to another is called population flow
Indicate whether the statement is true or false
Multiple sclerosis results from an autoimmune disease that primarily involves
A) destruction of the hippocampus. B) destruction of myelin sheaths. C) destruction of regions of the motor cortex. D) deterioration of parts of the spinal cord.
Either strand of a DNA molecule can be used as a template to reconstruct the other because the two strands of a DNA molecule are ________.
A. antiparallel B. complementary C. bound D. identical