Neco Model Questions Vol1 2022 Biology Question 3
Practice objective / multiple choice question 3 from the 2022 Neco Model Questions Vol1 Biology examination.
Two species of mammals differ in a 16 000‑base‑pair mitochondrial gene at 150 nucleotide positions. The average mutation rate for mitochondrial DNA is \(2\times10^{-8}\) substitutions per site per year. Assuming a molecular clock and that mutations accumulate independently in each lineage, estimate the time (in years) since the two species diverged.
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This is Neco Model Questions Vol1 2022 Biology Question 3. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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