The diagram shows a phylogenetic tree produced using DNA analysis - OCR Gateway - GCSE Biology Combined Science - Question 6 - 2021 - Paper 1
Question 6
The diagram shows a phylogenetic tree produced using DNA analysis.
The diagram shows a phylogenetic tree produced using DNA analysis.
What does the phylogenetic tr... show full transcript
Worked Solution & Example Answer:The diagram shows a phylogenetic tree produced using DNA analysis - OCR Gateway - GCSE Biology Combined Science - Question 6 - 2021 - Paper 1
Step 1
A) It shows bonobos and chimpanzees to be human’s closest relations.
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Answer
This statement is supported by the diagram, as it indicates that bonobos and chimpanzees have a more recent common ancestor with humans compared to the other primates.
Step 2
B) It shows bonobos and orangutans to be human’s closest relations.
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Answer
This statement is incorrect as orangutans are not depicted as close relatives of humans in the phylogenetic tree.
Step 3
C) It shows gorillas and chimpanzees to be human’s closest relations.
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This statement is also incorrect because the tree shows that bonobos and chimpanzees share a closer link to humans than gorillas.
Step 4
D) It shows gorillas and orangutans to be human’s closest relations.
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Answer
This statement is incorrect since gorillas and orangutans are shown to be more distantly related to humans in the phylogenetic tree.
