From an analysis of this pedigree, individuals with the same mitochondrial DNA (mtDNA) include
A - VCE - SSCE Biology - Question 1 - 2009 - Paper 1
Question 1
From an analysis of this pedigree, individuals with the same mitochondrial DNA (mtDNA) include
A. Kathy and Peter.
B. Peter and Jethro.
C. Jay, Rob and Jethro.
D. Ja... show full transcript
Worked Solution & Example Answer:From an analysis of this pedigree, individuals with the same mitochondrial DNA (mtDNA) include
A - VCE - SSCE Biology - Question 1 - 2009 - Paper 1
Step 1
A. Kathy and Peter.
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Answer
Mitochondrial DNA is inherited maternally, so if Kathy and Peter share the same mother, they would have the same mtDNA. However, the pedigree must be analyzed to confirm this relationship.
Step 2
B. Peter and Jethro.
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Again, whether Peter and Jethro share the same mtDNA depends on their maternal lineage. This requires examining their connection in the pedigree.
Step 3
C. Jay, Rob and Jethro.
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The same reasoning applies to Jay, Rob, and Jethro. Their mtDNA relationship hinges on their maternal connections which must be verified in the pedigree.
Step 4
D. Jackson, Elliot and Dashielle.
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Answer
This option presents three individuals. If Jackson, Elliot, and Dashielle are all directly linked through their maternal lineage in the pedigree, they would indeed share the same mitochondrial DNA.