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Question
Which of these animals are more closely related to each other than the others ?
Animal A - 35 STRs
Animal B - 70 STRs
Animal C - 45 STRs
Animal D - 90 STRs
Which of these animals are more closely related to each other than the others ?
Animal A - 35 STRs
Animal B - 70 STRs
Animal C - 45 STRs
Animal D - 90 STRsOpen in App
Solution
The correct option is C Animals A and C
According to genetic and phylogenetic analyses, the lesser the difference between the number of STRs (Short Tandem Repeats), the closer the organisms are, to each other. Humans and chimpanzees have more closely related number of repeats than humans and mice or the chimpanzees and mice. Similarly, the difference between animals B and D is greater than the difference between animals A and C. Therefore, animals A and C are more closely related to each other than the others.
According to genetic and phylogenetic analyses, the lesser the difference between the number of STRs (Short Tandem Repeats), the closer the organisms are, to each other. Humans and chimpanzees have more closely related number of repeats than humans and mice or the chimpanzees and mice. Similarly, the difference between animals B and D is greater than the difference between animals A and C. Therefore, animals A and C are more closely related to each other than the others.
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