The following diagram shows a mutation - HSC - SSCE Biology - Question 23 - 2020 - Paper 1
Question 23
The following diagram shows a mutation.
Original DNA sequence
TTACGTAAG
Mutated DNA sequence
TTACGGTAC
(a) What type of mutation is shown in the diagram?
(b) O... show full transcript
Worked Solution & Example Answer:The following diagram shows a mutation - HSC - SSCE Biology - Question 23 - 2020 - Paper 1
Step 1
What type of mutation is shown in the diagram?
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Answer
The mutation shown in the diagram is a point mutation. This refers to a change in a single nucleotide in the DNA sequence, which can involve the substitution of one nucleotide for another.
Step 2
Outline another type of mutation.
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Answer
Another type of mutation is a chromosomal mutation. This type includes changes to the structure or number of chromosomes, which can lead to changes in the gene dosage or the arrangement of genes within a chromosome.