Genetics Practice Test Worksheets Page 17

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46. The accompanying diagrams represent
47.
Molecule 1 represents a segment of
portions of the genes that code for wing
hereditary information, and molecule 2
structure in two organisms of the same
represents the portion of a molecule that is
species. Gene 1 was taken from the cells
determined by information from molecule 1.
of a female with normal wings, and gene 2
was taken from the cells of a female with
abnormal wings.
What will most likely happen if there is
a change in the rst three subunits on the
upper strand of molecule 1?
The abnormal wing structure was most likely
due to
(1) The remaining subunits in molecule 1
will also change.
(1) an insertion
(2) A portion of molecule 2 may be
(2) a substitution
di erent.
(3) Molecule 1 will split apart, triggering
(3) a deletion
an immune response.
(4) normal replication
(4) Molecule 2 may form two strands rather
than one.
page 17
GENETICS UNIT PRACTICE TEST

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