Genetics Practice Test Worksheets Page 16

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43. Base your answer(s) to the following
44. A medical test indicates that a patient has
question(s) on the diagram below of a DNA
a defective protein. This condition is most
molecule and on lyour knowledge of biology.
likely due to a change in the directions
coded in the
(1) number of hydrogen atoms in starch
molecules
(2) sequence of inorganic molecules
(3) number of carbon atoms in sugar
molecules
(4) sequence of subunits in DNA
What is the base sequence of strand X?
45. A small amount of DNA was taken from
a fossil of a mammoth found frozen in
glacial ice. Genetic technology can be used
(1) G-T-A-C
(2) T-G-C-A
to produce a large quantity of identical
(3) G-T-C-A
(4) A-T-C-G
DNA from this mammoth's DNA. In this
technology, the original DNA sample is used
to
(1) stimulate di erentiation in other
mammoth cells
(2) provide fragments to replace certain
human body chemicals
(3) act as a template for repeated replication
(4) trigger mitosis to obtain new base
sequences
page 16
GENETICS UNIT PRACTICE TEST

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