After Considerable Effort,you Are Able to Collect and Analyze DNA

question 2

Multiple Choice

After considerable effort,you are able to collect and analyze DNA from the winged animal.You obtain the nucleotide sequence of the cytochrome c oxidase gene.When you compare this sequence to the sequence of the same gene in a bat,a rodent,a shrew,and a human,you find the following numbers of differences: winged animal-bat 11 differences
Winged animal-rodent 14 differences
Winged animal-shrew 15 differences
Winged animal-human 9 differences
Which hypothesis does this data support?

• A)Of the mammals tested, the winged animal is probably most closely related to shrews.
• B)Of the mammals tested, the winged animal is probably most closely related to humans.
• C)Of the mammals tested, the winged animal is probably most closely related to rodents.
• D)The winged animal is probably most closely related to bats, because bats also have wings.