Genetics Practice Test Worksheets Page 34
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3494. Base your answer(s) to the following
95. Base your answer(s) to the following
question(s) on the information and chart
question(s) on the table below, which
below and on your knowledge of biology.
represents the DNA codes for several amino
acids.
In DNA, a sequence of three
bases is a code for the placement of a
Amino Acid
DNA Code Sequence
certain amino acid in a protein chain.
Cysteine
ACA or ACG
The table below shows some amino
Tryptophan
ACC
acids with their abbreviations and DNA
Valine
CAA or CAC or CAG or CAT
codes
Proline
GGA or GGC or GGG or GGT
Asparagine
TTA or TTG
Methionine
TAC
The DNA sequence undergoes the following
change:
TACACACAAACGGGG !
TACACCCAAACGGGG
Identify one environmental factor that could
cause a base sequence in DNA to be changed
How would the sequence of amino acids be
to a di erent base sequence.
changed as a result of this mutation?
page 34
GENETICS UNIT PRACTICE TEST
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