Four Relatively Recent Fossil Species Were Recovered,and When the DNA

question 72

Multiple Choice

Four relatively recent fossil species were recovered,and when the DNA was extracted,investigators observed that Species W and Z both had long finger bones,and species X and Y had short finger bones.Based upon this information and the hypothetical molecular data below,sequenced from common regions in one gene of their DNA,which two species are the most closely related to each other?

• A)Species X and Z
• B)Species X and Y
• C)Species Y and Z
• D)Species W and Z

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