Waec Model Questions Vol1 2020 Biology Question 39
Practice objective / multiple choice question 39 from the 2020 Waec Model Questions Vol1 Biology examination.
DNA sequence similarity studies show that species A and B share 78 % similarity, species A and C share 85 % similarity and species B and C share 90 % similarity. Assuming a constant molecular clock of 2 % sequence divergence per million years, estimate the time (in million years) since the most recent common ancestor of the pair that diverged most recently.
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About This Question
This is Waec Model Questions Vol1 2020 Biology Question 39. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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