Genetics Practice Test Worksheets Page 19
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3451.
A single gene mutation results from
53. The parents of a new baby believe they
brought the wrong child home from the
hospital. Gel electrophoresis was performed
(1) a change in a base sequence in DNA
using DNA samples from the parents and the
child. A section of the gel electrophoresis
(2) recombination of traits
results is shown below.
(3) the failure of chromosomes to separate
(4) blocked nerve messages
Which conclusion is valid based on the gel
electrophoresis results?
(1) They have the correct child, because her
genetic information is identical to that
of the father.
52. Genes involved in the production of
(2) They have the wrong child, because her
abnormal red blood cells have an abnormal
genetic information does not match that
sequence of
of either parent.
(3) They have the correct child, because
(1) ATP molecules
(2) amino acids
her genetic information came from both
parents.
(3) sugars
(4) bases
(4) They have the wrong child, because her
genetic information matches only that of
the mother.
page 19
GENETICS UNIT PRACTICE TEST
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