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Difficulty: HardRhetorical Synthesis: Emphasizing Specific Details

While researching the Denisovans, a student took the following notes:
- Denisovans are an extinct group of archaic humans.
- In 20082008, Russian paleontologists discovered a juvenile finger bone fragment in Denisova Cave, located in the Altai Mountains of Siberia.
- In 20102010, geneticist Svante Pääbo and his team sequenced the mitochondrial DNA (mtDNA) extracted from the bone.
- The sequencing revealed that Denisovans were genetically distinct from both Neanderthals and modern humans.
- The Altai Mountains region has since yielded several other Denisovan specimens, including teeth and a jawbone.

The student wants to write a sentence that emphasizes both the specific cave where the first Denisovan fossil was discovered and the year its mitochondrial DNA was sequenced. Complete the sentence by filling in the blanks.

Answer:Although the first Denisovan fossil was discovered in 【Denisova Cave】 in 20082008, it was not until 【2010】 that researchers successfully sequenced its mitochondrial DNA.

Answer

Denisova Cave and 2010
The sentence requires the specific cave of discovery to fill the first blank and the year of mtDNA sequencing to fill the second blank. According to the notes, the first Denisovan fossil was discovered in Denisova Cave, and its mtDNA was sequenced in 2010.

Step-by-Step Solution

1
Identify the rhetorical goal.
The goal is to emphasize the specific cave of discovery and the year the mtDNA was sequenced.
This determines which details must be extracted from the notes.
2
Locate the specific cave of discovery in the notes.
The notes state that the first Denisovan fossil (a finger bone fragment) was discovered in 'Denisova Cave' in 20082008.
This provides the value for the first blank.
3
Locate the year the mitochondrial DNA was sequenced in the notes.
The notes state that the sequencing of the mitochondrial DNA was performed in 20102010.
This provides the value for the second blank.

Key Concept

Rhetorical Synthesis: Emphasizing Specific Details
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Rhetorical Synthesis: Emphasizing Specific Details

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