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(Q001) In Lab 2, Exercise 8, you determined the amino acid sequence for the following strand of DNA: A G C A A T C C G T C T T G G T C G T T A G G C A G A A C C That strand has mutated. It is now A G C A A C C C G T C T T G G T C G T T G G G C A G A A C C Use your knowledge of mutation and protein synthesis to answer the following questions. What mutation has occurred

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Search up A gardener can increase the number of dahlia plants in an annual garden by either buying new bulbs each year or dividing the existing bulbs to create new plants . The table below shows the expected number of bulbs for each method

Part A
For each method,a function to model the expected number of plants for each year

Part B
Use the Functions to Find the expected number of plants in 10 years for each method.

Part C
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The mutation that has occurred is substitution mutation.

Mutation is defined as the random changes in deoxyribonucleic acid (DNA) that alter genetic information, and so can introduce new characteristics.

Mutation can occur in because of the following reasons stated below:

  • When exposed to environment saturated with ultraviolet light, it can cause cell mutation; and
  • When exposed to certain chemical such as free radicals.

A typical example of mutation that occurs in DNA is the substitution mutation.

Protein synthesis is the process used by cells to produce usable specific proteins as directed by the DNA.

The base sequence in DNA determines the sequence of amino acid in peptide.

Substitution mutation occurs when one base is incorrectly replaced in the complementary strand of a DNA.

From the DNA base sequence given,

  • Cytosine replaced Thymine; and
  • Guanine replaced Adenine.

This replacement that occurred will lead to abnormal protein synthesis.

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