Exam (elaborations)
BSC 108 TEST 3 QUESTIONS AND ANSWERS 2024
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BSC 108 TEST 3 QUESTIONS AND ANSWERS 2024
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BSC 108 TEST 3Describe how human gene therapy can cure disease. - ANSWERS-Human gene
therapy can cure diseases if successful allowing the cells to
multiply permanently and produce enough supply of the missing protein.
Thishappens by a gene from an individual being closed and converted to an RNA
version. Then bone marrow is taken from the patient and infected with
recombinant virus. The virus inserts a copy of the DNA into the patient's cells.
The engineered cell is the inserted back into the patient producing the needed
protein.
What DNA profiling and why is it used? - ANSWERS-DNA profiling is the analysis of
DNA samples to see if they come from the same
person. It is used for crime scenes and legal purposes
Why is only the slightest trace of DNA at a crime scene often sufficient for
forensic analysis? - ANSWERS-the polymerase chain reaction (PCR) can be used to
make millions of copies of a DNA segment
what is genomics? - ANSWERS-the study of complete sets of genes
Describe the Human Genome Project. - ANSWERS-It was a project by researchers
from six different countries to determine the
, nucleotide sequence of all DNA in the human genome and to identify the location
and sequence of each gene.
List three concerns about genetically modified foods. - ANSWERS-1) Crops
carrying genes may be harmful to the environment.
2) Crops carrying genes may be harmful to human health.
3) The gene may be spread through pollen, and could create "super weed"
wild plants that are difficult to control.
Are genetically modified foods in the United States labeled differently from other
foods? - ANSWERS-The united states labels only bulk food whether it has been
genetically modified
or not.
What is the basic idea of natural selection? - ANSWERS-Organisms with certain
traits are more likely to survive and reproduce than
organisms with different traits
What is evolutionary adaption? - ANSWERS-The organisms that survived the
natural selection ended having descendants that
branched off into many habitats over millions of years.
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